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Finding the Fourth Proportional to 866,793.68, 1,196,152.26 and 479,599.01

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Solution

The fourth proportional to 866,793.68, 1,196,152.26 and 479,599.01 is: 661,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,793.68 : 1,196,152.26 = 479,599.01 : x
  2. Step 2: Convert to fraction form
    866,793.68/1,196,152.26 = 479,599.01/x
  3. Step 3: Cross multiply
    866,793.68x = 1,196,152.26 × 479,599.01
  4. Step 4: Simplify right side
    866,793.68x = 573,673,439,705.26
  5. Step 5: Solve for x
    x = 573,673,439,705.26/866,793.68
  6. Step 6: Final answer
    x = 661,833.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.