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Finding the Fourth Proportional to 359,607.78, 539,505.09 and 295,671.33

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Solution

The fourth proportional to 359,607.78, 539,505.09 and 295,671.33 is: 443,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,607.78 : 539,505.09 = 295,671.33 : x
  2. Step 2: Convert to fraction form
    359,607.78/539,505.09 = 295,671.33/x
  3. Step 3: Cross multiply
    359,607.78x = 539,505.09 × 295,671.33
  4. Step 4: Simplify right side
    359,607.78x = 159,516,187,502.07
  5. Step 5: Solve for x
    x = 159,516,187,502.07/359,607.78
  6. Step 6: Final answer
    x = 443,583.81

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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.