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Finding the Fourth Proportional to 349,780.86, 524,612.61 and 97,087.05

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Solution

The fourth proportional to 349,780.86, 524,612.61 and 97,087.05 is: 145,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,780.86 : 524,612.61 = 97,087.05 : x
  2. Step 2: Convert to fraction form
    349,780.86/524,612.61 = 97,087.05/x
  3. Step 3: Cross multiply
    349,780.86x = 524,612.61 × 97,087.05
  4. Step 4: Simplify right side
    349,780.86x = 50,933,090,697.70
  5. Step 5: Solve for x
    x = 50,933,090,697.70/349,780.86
  6. Step 6: Final answer
    x = 145,614.29

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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.