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Finding the Fourth Proportional to 791,483.31, 1,092,495 and 505,002.92

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Solution

The fourth proportional to 791,483.31, 1,092,495 and 505,002.92 is: 697,062.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,483.31 : 1,092,495 = 505,002.92 : x
  2. Step 2: Convert to fraction form
    791,483.31/1,092,495 = 505,002.92/x
  3. Step 3: Cross multiply
    791,483.31x = 1,092,495 × 505,002.92
  4. Step 4: Simplify right side
    791,483.31x = 551,713,159,622.93
  5. Step 5: Solve for x
    x = 551,713,159,622.93/791,483.31
  6. Step 6: Final answer
    x = 697,062.28

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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.