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Finding the Fourth Proportional to 459,165.60, 687,387.60 and 341,359.20

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Solution

The fourth proportional to 459,165.60, 687,387.60 and 341,359.20 is: 511,027.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,165.60 : 687,387.60 = 341,359.20 : x
  2. Step 2: Convert to fraction form
    459,165.60/687,387.60 = 341,359.20/x
  3. Step 3: Cross multiply
    459,165.60x = 687,387.60 × 341,359.20
  4. Step 4: Simplify right side
    459,165.60x = 234,646,081,225.92
  5. Step 5: Solve for x
    x = 234,646,081,225.92/459,165.60
  6. Step 6: Final answer
    x = 511,027.14

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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.