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Finding the Fourth Proportional to 646,454.01, 969,006.96 and 361,727.13

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Solution

The fourth proportional to 646,454.01, 969,006.96 and 361,727.13 is: 542,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,454.01 : 969,006.96 = 361,727.13 : x
  2. Step 2: Convert to fraction form
    646,454.01/969,006.96 = 361,727.13/x
  3. Step 3: Cross multiply
    646,454.01x = 969,006.96 × 361,727.13
  4. Step 4: Simplify right side
    646,454.01x = 350,516,106,590.83
  5. Step 5: Solve for x
    x = 350,516,106,590.83/646,454.01
  6. Step 6: Final answer
    x = 542,213.52

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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.