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Finding the Fourth Proportional to 662,585.46, 914,134.74 and 433,276.86

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Solution

The fourth proportional to 662,585.46, 914,134.74 and 433,276.86 is: 597,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,585.46 : 914,134.74 = 433,276.86 : x
  2. Step 2: Convert to fraction form
    662,585.46/914,134.74 = 433,276.86/x
  3. Step 3: Cross multiply
    662,585.46x = 914,134.74 × 433,276.86
  4. Step 4: Simplify right side
    662,585.46x = 396,073,429,764.12
  5. Step 5: Solve for x
    x = 396,073,429,764.12/662,585.46
  6. Step 6: Final answer
    x = 597,769.58

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Double scale
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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.