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Finding the Fourth Proportional to 344,526.52, 516,864.32 and 104,620.72

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Solution

The fourth proportional to 344,526.52, 516,864.32 and 104,620.72 is: 156,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,526.52 : 516,864.32 = 104,620.72 : x
  2. Step 2: Convert to fraction form
    344,526.52/516,864.32 = 104,620.72/x
  3. Step 3: Cross multiply
    344,526.52x = 516,864.32 × 104,620.72
  4. Step 4: Simplify right side
    344,526.52x = 54,074,717,300.71
  5. Step 5: Solve for x
    x = 54,074,717,300.71/344,526.52
  6. Step 6: Final answer
    x = 156,953.72

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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.