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Finding the Fourth Proportional to 534,545.87, 737,393.67 and 330,531.57

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Solution

The fourth proportional to 534,545.87, 737,393.67 and 330,531.57 is: 455,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,545.87 : 737,393.67 = 330,531.57 : x
  2. Step 2: Convert to fraction form
    534,545.87/737,393.67 = 330,531.57/x
  3. Step 3: Cross multiply
    534,545.87x = 737,393.67 × 330,531.57
  4. Step 4: Simplify right side
    534,545.87x = 243,731,887,453.16
  5. Step 5: Solve for x
    x = 243,731,887,453.16/534,545.87
  6. Step 6: Final answer
    x = 455,960.66

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1.5x scale

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.