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Finding the Fourth Proportional to 344,382.79, 516,459.37 and 144,665.95

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Solution

The fourth proportional to 344,382.79, 516,459.37 and 144,665.95 is: 216,950.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,382.79 : 516,459.37 = 144,665.95 : x
  2. Step 2: Convert to fraction form
    344,382.79/516,459.37 = 144,665.95/x
  3. Step 3: Cross multiply
    344,382.79x = 516,459.37 × 144,665.95
  4. Step 4: Simplify right side
    344,382.79x = 74,714,084,577.38
  5. Step 5: Solve for x
    x = 74,714,084,577.38/344,382.79
  6. Step 6: Final answer
    x = 216,950.69

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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.