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Finding the Fourth Proportional to 661,504.10, 992,256.15 and 240,725.30

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Solution

The fourth proportional to 661,504.10, 992,256.15 and 240,725.30 is: 361,087.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,504.10 : 992,256.15 = 240,725.30 : x
  2. Step 2: Convert to fraction form
    661,504.10/992,256.15 = 240,725.30/x
  3. Step 3: Cross multiply
    661,504.10x = 992,256.15 × 240,725.30
  4. Step 4: Simplify right side
    661,504.10x = 238,861,159,385.60
  5. Step 5: Solve for x
    x = 238,861,159,385.60/661,504.10
  6. Step 6: Final answer
    x = 361,087.95

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Half scale
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Double scale
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Similar ratio
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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.