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Finding the Fourth Proportional to 704,784.52, 972,603.12 and 382,494.52

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Solution

The fourth proportional to 704,784.52, 972,603.12 and 382,494.52 is: 527,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,784.52 : 972,603.12 = 382,494.52 : x
  2. Step 2: Convert to fraction form
    704,784.52/972,603.12 = 382,494.52/x
  3. Step 3: Cross multiply
    704,784.52x = 972,603.12 × 382,494.52
  4. Step 4: Simplify right side
    704,784.52x = 372,015,363,534.90
  5. Step 5: Solve for x
    x = 372,015,363,534.90/704,784.52
  6. Step 6: Final answer
    x = 527,842.70

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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.