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Finding the Fourth Proportional to 704,834.20, 972,646.50 and 382,537.84

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Solution

The fourth proportional to 704,834.20, 972,646.50 and 382,537.84 is: 527,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,834.20 : 972,646.50 = 382,537.84 : x
  2. Step 2: Convert to fraction form
    704,834.20/972,646.50 = 382,537.84/x
  3. Step 3: Cross multiply
    704,834.20x = 972,646.50 × 382,537.84
  4. Step 4: Simplify right side
    704,834.20x = 372,074,091,193.56
  5. Step 5: Solve for x
    x = 372,074,091,193.56/704,834.20
  6. Step 6: Final answer
    x = 527,888.82

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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.