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Finding the Fourth Proportional to 445,448.83, 614,711.36 and 251,853.20

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Solution

The fourth proportional to 445,448.83, 614,711.36 and 251,853.20 is: 347,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,448.83 : 614,711.36 = 251,853.20 : x
  2. Step 2: Convert to fraction form
    445,448.83/614,711.36 = 251,853.20/x
  3. Step 3: Cross multiply
    445,448.83x = 614,711.36 × 251,853.20
  4. Step 4: Simplify right side
    445,448.83x = 154,817,022,953.60
  5. Step 5: Solve for x
    x = 154,817,022,953.60/445,448.83
  6. Step 6: Final answer
    x = 347,552.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.