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Finding the Fourth Proportional to 408,967.05, 613,473.45 and 124,666.83

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Solution

The fourth proportional to 408,967.05, 613,473.45 and 124,666.83 is: 187,007.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,967.05 : 613,473.45 = 124,666.83 : x
  2. Step 2: Convert to fraction form
    408,967.05/613,473.45 = 124,666.83/x
  3. Step 3: Cross multiply
    408,967.05x = 613,473.45 × 124,666.83
  4. Step 4: Simplify right side
    408,967.05x = 76,479,793,068.69
  5. Step 5: Solve for x
    x = 76,479,793,068.69/408,967.05
  6. Step 6: Final answer
    x = 187,007.23

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1.5x scale

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.