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Finding the Fourth Proportional to 657,773.04, 907,729.56 and 371,296.56

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Solution

The fourth proportional to 657,773.04, 907,729.56 and 371,296.56 is: 512,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,773.04 : 907,729.56 = 371,296.56 : x
  2. Step 2: Convert to fraction form
    657,773.04/907,729.56 = 371,296.56/x
  3. Step 3: Cross multiply
    657,773.04x = 907,729.56 × 371,296.56
  4. Step 4: Simplify right side
    657,773.04x = 337,036,863,038.31
  5. Step 5: Solve for x
    x = 337,036,863,038.31/657,773.04
  6. Step 6: Final answer
    x = 512,390.81

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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.