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Finding the Fourth Proportional to 634,626.70, 951,940.05 and 606,633.10

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Solution

The fourth proportional to 634,626.70, 951,940.05 and 606,633.10 is: 909,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,626.70 : 951,940.05 = 606,633.10 : x
  2. Step 2: Convert to fraction form
    634,626.70/951,940.05 = 606,633.10/x
  3. Step 3: Cross multiply
    634,626.70x = 951,940.05 × 606,633.10
  4. Step 4: Simplify right side
    634,626.70x = 577,478,343,545.66
  5. Step 5: Solve for x
    x = 577,478,343,545.66/634,626.70
  6. Step 6: Final answer
    x = 909,949.65

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Double scale
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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.