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Finding the Fourth Proportional to 597,645.80, 896,468.70 and 223,620.20

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Solution

The fourth proportional to 597,645.80, 896,468.70 and 223,620.20 is: 335,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,645.80 : 896,468.70 = 223,620.20 : x
  2. Step 2: Convert to fraction form
    597,645.80/896,468.70 = 223,620.20/x
  3. Step 3: Cross multiply
    597,645.80x = 896,468.70 × 223,620.20
  4. Step 4: Simplify right side
    597,645.80x = 200,468,509,987.74
  5. Step 5: Solve for x
    x = 200,468,509,987.74/597,645.80
  6. Step 6: Final answer
    x = 335,430.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.