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Finding the Fourth Proportional to 576,073.87, 864,110.89 and 155,349.79

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Solution

The fourth proportional to 576,073.87, 864,110.89 and 155,349.79 is: 233,024.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,073.87 : 864,110.89 = 155,349.79 : x
  2. Step 2: Convert to fraction form
    576,073.87/864,110.89 = 155,349.79/x
  3. Step 3: Cross multiply
    576,073.87x = 864,110.89 × 155,349.79
  4. Step 4: Simplify right side
    576,073.87x = 134,239,445,298.21
  5. Step 5: Solve for x
    x = 134,239,445,298.21/576,073.87
  6. Step 6: Final answer
    x = 233,024.71

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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.