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Finding the Fourth Proportional to 709,545.56, 1,063,394.22 and 288,329

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Solution

The fourth proportional to 709,545.56, 1,063,394.22 and 288,329 is: 432,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,545.56 : 1,063,394.22 = 288,329 : x
  2. Step 2: Convert to fraction form
    709,545.56/1,063,394.22 = 288,329/x
  3. Step 3: Cross multiply
    709,545.56x = 1,063,394.22 × 288,329
  4. Step 4: Simplify right side
    709,545.56x = 306,607,392,058.38
  5. Step 5: Solve for x
    x = 306,607,392,058.38/709,545.56
  6. Step 6: Final answer
    x = 432,117.98

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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.