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Finding the Fourth Proportional to 517,056.12, 775,165.80 and 232,538.30

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Solution

The fourth proportional to 517,056.12, 775,165.80 and 232,538.30 is: 348,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,056.12 : 775,165.80 = 232,538.30 : x
  2. Step 2: Convert to fraction form
    517,056.12/775,165.80 = 232,538.30/x
  3. Step 3: Cross multiply
    517,056.12x = 775,165.80 × 232,538.30
  4. Step 4: Simplify right side
    517,056.12x = 180,255,737,350.14
  5. Step 5: Solve for x
    x = 180,255,737,350.14/517,056.12
  6. Step 6: Final answer
    x = 348,619.29

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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.