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Finding the Fourth Proportional to 342,332.60, 512,526.90 and 323,713.40

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Solution

The fourth proportional to 342,332.60, 512,526.90 and 323,713.40 is: 484,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,332.60 : 512,526.90 = 323,713.40 : x
  2. Step 2: Convert to fraction form
    342,332.60/512,526.90 = 323,713.40/x
  3. Step 3: Cross multiply
    342,332.60x = 512,526.90 × 323,713.40
  4. Step 4: Simplify right side
    342,332.60x = 165,911,825,390.46
  5. Step 5: Solve for x
    x = 165,911,825,390.46/342,332.60
  6. Step 6: Final answer
    x = 484,650.97

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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.