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Finding the Fourth Proportional to 624,824.64, 862,262.10 and 338,344.74

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Solution

The fourth proportional to 624,824.64, 862,262.10 and 338,344.74 is: 466,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,824.64 : 862,262.10 = 338,344.74 : x
  2. Step 2: Convert to fraction form
    624,824.64/862,262.10 = 338,344.74/x
  3. Step 3: Cross multiply
    624,824.64x = 862,262.10 × 338,344.74
  4. Step 4: Simplify right side
    624,824.64x = 291,741,846,036.35
  5. Step 5: Solve for x
    x = 291,741,846,036.35/624,824.64
  6. Step 6: Final answer
    x = 466,917.96

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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.