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Finding the Fourth Proportional to 634,626.30, 951,939.45 and 605,101.80

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Solution

The fourth proportional to 634,626.30, 951,939.45 and 605,101.80 is: 907,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,626.30 : 951,939.45 = 605,101.80 : x
  2. Step 2: Convert to fraction form
    634,626.30/951,939.45 = 605,101.80/x
  3. Step 3: Cross multiply
    634,626.30x = 951,939.45 × 605,101.80
  4. Step 4: Simplify right side
    634,626.30x = 576,020,274,686.01
  5. Step 5: Solve for x
    x = 576,020,274,686.01/634,626.30
  6. Step 6: Final answer
    x = 907,652.70

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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.