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Finding the Fourth Proportional to 435,572.28, 601,230.66 and 282,340.14

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Solution

The fourth proportional to 435,572.28, 601,230.66 and 282,340.14 is: 389,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,572.28 : 601,230.66 = 282,340.14 : x
  2. Step 2: Convert to fraction form
    435,572.28/601,230.66 = 282,340.14/x
  3. Step 3: Cross multiply
    435,572.28x = 601,230.66 × 282,340.14
  4. Step 4: Simplify right side
    435,572.28x = 169,751,548,716.69
  5. Step 5: Solve for x
    x = 169,751,548,716.69/435,572.28
  6. Step 6: Final answer
    x = 389,720.73

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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.