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Finding the Fourth Proportional to 546,830.99, 820,665.14 and 247,521.77

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Solution

The fourth proportional to 546,830.99, 820,665.14 and 247,521.77 is: 371,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,830.99 : 820,665.14 = 247,521.77 : x
  2. Step 2: Convert to fraction form
    546,830.99/820,665.14 = 247,521.77/x
  3. Step 3: Cross multiply
    546,830.99x = 820,665.14 × 247,521.77
  4. Step 4: Simplify right side
    546,830.99x = 203,132,482,689.16
  5. Step 5: Solve for x
    x = 203,132,482,689.16/546,830.99
  6. Step 6: Final answer
    x = 371,472.15

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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.