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Finding the Fourth Proportional to 609,545.60, 913,443.60 and 448,363.70

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Solution

The fourth proportional to 609,545.60, 913,443.60 and 448,363.70 is: 671,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,545.60 : 913,443.60 = 448,363.70 : x
  2. Step 2: Convert to fraction form
    609,545.60/913,443.60 = 448,363.70/x
  3. Step 3: Cross multiply
    609,545.60x = 913,443.60 × 448,363.70
  4. Step 4: Simplify right side
    609,545.60x = 409,554,952,237.32
  5. Step 5: Solve for x
    x = 409,554,952,237.32/609,545.60
  6. Step 6: Final answer
    x = 671,902.07

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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.