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Finding the Fourth Proportional to 344,595.29, 516,366.65 and 144,806.45

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Solution

The fourth proportional to 344,595.29, 516,366.65 and 144,806.45 is: 216,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,595.29 : 516,366.65 = 144,806.45 : x
  2. Step 2: Convert to fraction form
    344,595.29/516,366.65 = 144,806.45/x
  3. Step 3: Cross multiply
    344,595.29x = 516,366.65 × 144,806.45
  4. Step 4: Simplify right side
    344,595.29x = 74,773,218,179.03
  5. Step 5: Solve for x
    x = 74,773,218,179.03/344,595.29
  6. Step 6: Final answer
    x = 216,988.51

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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.