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Finding the Fourth Proportional to 559,943.79, 838,607.76 and 514,729.79

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Solution

The fourth proportional to 559,943.79, 838,607.76 and 514,729.79 is: 770,892.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,943.79 : 838,607.76 = 514,729.79 : x
  2. Step 2: Convert to fraction form
    559,943.79/838,607.76 = 514,729.79/x
  3. Step 3: Cross multiply
    559,943.79x = 838,607.76 × 514,729.79
  4. Step 4: Simplify right side
    559,943.79x = 431,656,389,430.48
  5. Step 5: Solve for x
    x = 431,656,389,430.48/559,943.79
  6. Step 6: Final answer
    x = 770,892.36

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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.