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Finding the Fourth Proportional to 517,048.11, 775,153.80 and 232,530.30

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Solution

The fourth proportional to 517,048.11, 775,153.80 and 232,530.30 is: 348,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,048.11 : 775,153.80 = 232,530.30 : x
  2. Step 2: Convert to fraction form
    517,048.11/775,153.80 = 232,530.30/x
  3. Step 3: Cross multiply
    517,048.11x = 775,153.80 × 232,530.30
  4. Step 4: Simplify right side
    517,048.11x = 180,246,745,660.14
  5. Step 5: Solve for x
    x = 180,246,745,660.14/517,048.11
  6. Step 6: Final answer
    x = 348,607.30

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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.