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Finding the Fourth Proportional to 704,841.84, 972,682.65 and 382,551.90

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Solution

The fourth proportional to 704,841.84, 972,682.65 and 382,551.90 is: 527,922.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,841.84 : 972,682.65 = 382,551.90 : x
  2. Step 2: Convert to fraction form
    704,841.84/972,682.65 = 382,551.90/x
  3. Step 3: Cross multiply
    704,841.84x = 972,682.65 × 382,551.90
  4. Step 4: Simplify right side
    704,841.84x = 372,101,595,854.54
  5. Step 5: Solve for x
    x = 372,101,595,854.54/704,841.84
  6. Step 6: Final answer
    x = 527,922.12

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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.