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Finding the Fourth Proportional to 637,545.66, 955,600.82 and 278,019.06

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Solution

The fourth proportional to 637,545.66, 955,600.82 and 278,019.06 is: 416,715.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,545.66 : 955,600.82 = 278,019.06 : x
  2. Step 2: Convert to fraction form
    637,545.66/955,600.82 = 278,019.06/x
  3. Step 3: Cross multiply
    637,545.66x = 955,600.82 × 278,019.06
  4. Step 4: Simplify right side
    637,545.66x = 265,675,241,711.63
  5. Step 5: Solve for x
    x = 265,675,241,711.63/637,545.66
  6. Step 6: Final answer
    x = 416,715.63

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1.5x scale

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.