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Finding the Fourth Proportional to 475,480.10, 656,229.82 and 294,250.40

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Solution

The fourth proportional to 475,480.10, 656,229.82 and 294,250.40 is: 406,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,480.10 : 656,229.82 = 294,250.40 : x
  2. Step 2: Convert to fraction form
    475,480.10/656,229.82 = 294,250.40/x
  3. Step 3: Cross multiply
    475,480.10x = 656,229.82 × 294,250.40
  4. Step 4: Simplify right side
    475,480.10x = 193,095,883,561.87
  5. Step 5: Solve for x
    x = 193,095,883,561.87/475,480.10
  6. Step 6: Final answer
    x = 406,107.18

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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.