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Finding the Fourth Proportional to 624,817.74, 862,247.25 and 338,336.94

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Solution

The fourth proportional to 624,817.74, 862,247.25 and 338,336.94 is: 466,904.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,817.74 : 862,247.25 = 338,336.94 : x
  2. Step 2: Convert to fraction form
    624,817.74/862,247.25 = 338,336.94/x
  3. Step 3: Cross multiply
    624,817.74x = 862,247.25 × 338,336.94
  4. Step 4: Simplify right side
    624,817.74x = 291,730,096,088.42
  5. Step 5: Solve for x
    x = 291,730,096,088.42/624,817.74
  6. Step 6: Final answer
    x = 466,904.31

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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.