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Finding the Fourth Proportional to 416,397.60, 574,628.04 and 225,410.94

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Solution

The fourth proportional to 416,397.60, 574,628.04 and 225,410.94 is: 311,066.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,397.60 : 574,628.04 = 225,410.94 : x
  2. Step 2: Convert to fraction form
    416,397.60/574,628.04 = 225,410.94/x
  3. Step 3: Cross multiply
    416,397.60x = 574,628.04 × 225,410.94
  4. Step 4: Simplify right side
    416,397.60x = 129,527,446,646.76
  5. Step 5: Solve for x
    x = 129,527,446,646.76/416,397.60
  6. Step 6: Final answer
    x = 311,066.75

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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.