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Finding the Fourth Proportional to 344,045.58, 516,042.86 and 144,357.90

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Solution

The fourth proportional to 344,045.58, 516,042.86 and 144,357.90 is: 216,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,045.58 : 516,042.86 = 144,357.90 : x
  2. Step 2: Convert to fraction form
    344,045.58/516,042.86 = 144,357.90/x
  3. Step 3: Cross multiply
    344,045.58x = 516,042.86 × 144,357.90
  4. Step 4: Simplify right side
    344,045.58x = 74,494,862,857.80
  5. Step 5: Solve for x
    x = 74,494,862,857.80/344,045.58
  6. Step 6: Final answer
    x = 216,526.14

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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.