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Finding the Fourth Proportional to 819,703.80, 1,132,073.42 and 624,024

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Solution

The fourth proportional to 819,703.80, 1,132,073.42 and 624,024 is: 861,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,703.80 : 1,132,073.42 = 624,024 : x
  2. Step 2: Convert to fraction form
    819,703.80/1,132,073.42 = 624,024/x
  3. Step 3: Cross multiply
    819,703.80x = 1,132,073.42 × 624,024
  4. Step 4: Simplify right side
    819,703.80x = 706,440,980,721.96
  5. Step 5: Solve for x
    x = 706,440,980,721.96/819,703.80
  6. Step 6: Final answer
    x = 861,824.70

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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.