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Finding the Fourth Proportional to 617,036.01, 851,507.28 and 345,102.81

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Solution

The fourth proportional to 617,036.01, 851,507.28 and 345,102.81 is: 476,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,036.01 : 851,507.28 = 345,102.81 : x
  2. Step 2: Convert to fraction form
    617,036.01/851,507.28 = 345,102.81/x
  3. Step 3: Cross multiply
    617,036.01x = 851,507.28 × 345,102.81
  4. Step 4: Simplify right side
    617,036.01x = 293,857,555,063.46
  5. Step 5: Solve for x
    x = 293,857,555,063.46/617,036.01
  6. Step 6: Final answer
    x = 476,240.53

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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.