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Finding the Fourth Proportional to 516,812.80, 773,032.20 and 463,887.40

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Solution

The fourth proportional to 516,812.80, 773,032.20 and 463,887.40 is: 693,868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,812.80 : 773,032.20 = 463,887.40 : x
  2. Step 2: Convert to fraction form
    516,812.80/773,032.20 = 463,887.40/x
  3. Step 3: Cross multiply
    516,812.80x = 773,032.20 × 463,887.40
  4. Step 4: Simplify right side
    516,812.80x = 358,599,897,374.28
  5. Step 5: Solve for x
    x = 358,599,897,374.28/516,812.80
  6. Step 6: Final answer
    x = 693,868.06

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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.