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Finding the Fourth Proportional to 702,529.90, 969,514.76 and 430,545.25

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Solution

The fourth proportional to 702,529.90, 969,514.76 and 430,545.25 is: 594,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,529.90 : 969,514.76 = 430,545.25 : x
  2. Step 2: Convert to fraction form
    702,529.90/969,514.76 = 430,545.25/x
  3. Step 3: Cross multiply
    702,529.90x = 969,514.76 × 430,545.25
  4. Step 4: Simplify right side
    702,529.90x = 417,419,974,722.89
  5. Step 5: Solve for x
    x = 417,419,974,722.89/702,529.90
  6. Step 6: Final answer
    x = 594,166.85

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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.