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Finding the Fourth Proportional to 597,947.80, 896,921.70 and 491,659.60

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Solution

The fourth proportional to 597,947.80, 896,921.70 and 491,659.60 is: 737,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,947.80 : 896,921.70 = 491,659.60 : x
  2. Step 2: Convert to fraction form
    597,947.80/896,921.70 = 491,659.60/x
  3. Step 3: Cross multiply
    597,947.80x = 896,921.70 × 491,659.60
  4. Step 4: Simplify right side
    597,947.80x = 440,980,164,253.32
  5. Step 5: Solve for x
    x = 440,980,164,253.32/597,947.80
  6. Step 6: Final answer
    x = 737,489.40

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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.