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Finding the Fourth Proportional to 736,019.22, 1,015,814.10 and 413,755.86

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Solution

The fourth proportional to 736,019.22, 1,015,814.10 and 413,755.86 is: 571,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,019.22 : 1,015,814.10 = 413,755.86 : x
  2. Step 2: Convert to fraction form
    736,019.22/1,015,814.10 = 413,755.86/x
  3. Step 3: Cross multiply
    736,019.22x = 1,015,814.10 × 413,755.86
  4. Step 4: Simplify right side
    736,019.22x = 420,299,036,545.63
  5. Step 5: Solve for x
    x = 420,299,036,545.63/736,019.22
  6. Step 6: Final answer
    x = 571,043.56

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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.