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Finding the Fourth Proportional to 659,273.60, 988,910.40 and 160,637.60

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Solution

The fourth proportional to 659,273.60, 988,910.40 and 160,637.60 is: 240,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,273.60 : 988,910.40 = 160,637.60 : x
  2. Step 2: Convert to fraction form
    659,273.60/988,910.40 = 160,637.60/x
  3. Step 3: Cross multiply
    659,273.60x = 988,910.40 × 160,637.60
  4. Step 4: Simplify right side
    659,273.60x = 158,856,193,271.04
  5. Step 5: Solve for x
    x = 158,856,193,271.04/659,273.60
  6. Step 6: Final answer
    x = 240,956.40

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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.