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Finding the Fourth Proportional to 370,002.80, 510,479.22 and 240,882.32

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Solution

The fourth proportional to 370,002.80, 510,479.22 and 240,882.32 is: 332,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,002.80 : 510,479.22 = 240,882.32 : x
  2. Step 2: Convert to fraction form
    370,002.80/510,479.22 = 240,882.32/x
  3. Step 3: Cross multiply
    370,002.80x = 510,479.22 × 240,882.32
  4. Step 4: Simplify right side
    370,002.80x = 122,965,418,825.39
  5. Step 5: Solve for x
    x = 122,965,418,825.39/370,002.80
  6. Step 6: Final answer
    x = 332,336.45

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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.