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Finding the Fourth Proportional to 552,646.75, 762,652.52 and 314,182.75

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Solution

The fourth proportional to 552,646.75, 762,652.52 and 314,182.75 is: 433,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,646.75 : 762,652.52 = 314,182.75 : x
  2. Step 2: Convert to fraction form
    552,646.75/762,652.52 = 314,182.75/x
  3. Step 3: Cross multiply
    552,646.75x = 762,652.52 × 314,182.75
  4. Step 4: Simplify right side
    552,646.75x = 239,612,266,028.03
  5. Step 5: Solve for x
    x = 239,612,266,028.03/552,646.75
  6. Step 6: Final answer
    x = 433,572.20

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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.