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Finding the Fourth Proportional to 466,921.40, 700,382.10 and 439,273.40

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Solution

The fourth proportional to 466,921.40, 700,382.10 and 439,273.40 is: 658,910.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,921.40 : 700,382.10 = 439,273.40 : x
  2. Step 2: Convert to fraction form
    466,921.40/700,382.10 = 439,273.40/x
  3. Step 3: Cross multiply
    466,921.40x = 700,382.10 × 439,273.40
  4. Step 4: Simplify right side
    466,921.40x = 307,659,226,366.14
  5. Step 5: Solve for x
    x = 307,659,226,366.14/466,921.40
  6. Step 6: Final answer
    x = 658,910.10

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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.