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Finding the Fourth Proportional to 657,189.52, 906,949.10 and 370,709.53

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Solution

The fourth proportional to 657,189.52, 906,949.10 and 370,709.53 is: 511,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,189.52 : 906,949.10 = 370,709.53 : x
  2. Step 2: Convert to fraction form
    657,189.52/906,949.10 = 370,709.53/x
  3. Step 3: Cross multiply
    657,189.52x = 906,949.10 × 370,709.53
  4. Step 4: Simplify right side
    657,189.52x = 336,214,673,254.32
  5. Step 5: Solve for x
    x = 336,214,673,254.32/657,189.52
  6. Step 6: Final answer
    x = 511,594.70

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