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Finding the Fourth Proportional to 617,525.74, 852,200.76 and 345,591.46

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Solution

The fourth proportional to 617,525.74, 852,200.76 and 345,591.46 is: 476,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,525.74 : 852,200.76 = 345,591.46 : x
  2. Step 2: Convert to fraction form
    617,525.74/852,200.76 = 345,591.46/x
  3. Step 3: Cross multiply
    617,525.74x = 852,200.76 × 345,591.46
  4. Step 4: Simplify right side
    617,525.74x = 294,513,304,861.51
  5. Step 5: Solve for x
    x = 294,513,304,861.51/617,525.74
  6. Step 6: Final answer
    x = 476,924.74

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.