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Finding the Fourth Proportional to 709,900.48, 980,699.03 and 614,241.10

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Solution

The fourth proportional to 709,900.48, 980,699.03 and 614,241.10 is: 848,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,900.48 : 980,699.03 = 614,241.10 : x
  2. Step 2: Convert to fraction form
    709,900.48/980,699.03 = 614,241.10/x
  3. Step 3: Cross multiply
    709,900.48x = 980,699.03 × 614,241.10
  4. Step 4: Simplify right side
    709,900.48x = 602,385,650,956.13
  5. Step 5: Solve for x
    x = 602,385,650,956.13/709,900.48
  6. Step 6: Final answer
    x = 848,549.43

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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.