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Finding the Fourth Proportional to 344,527.52, 516,865.82 and 104,621.72

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Solution

The fourth proportional to 344,527.52, 516,865.82 and 104,621.72 is: 156,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,527.52 : 516,865.82 = 104,621.72 : x
  2. Step 2: Convert to fraction form
    344,527.52/516,865.82 = 104,621.72/x
  3. Step 3: Cross multiply
    344,527.52x = 516,865.82 × 104,621.72
  4. Step 4: Simplify right side
    344,527.52x = 54,075,391,097.61
  5. Step 5: Solve for x
    x = 54,075,391,097.61/344,527.52
  6. Step 6: Final answer
    x = 156,955.22

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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.