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Finding the Fourth Proportional to 370,625.82, 556,042.41 and 121,482.78

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Solution

The fourth proportional to 370,625.82, 556,042.41 and 121,482.78 is: 182,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,625.82 : 556,042.41 = 121,482.78 : x
  2. Step 2: Convert to fraction form
    370,625.82/556,042.41 = 121,482.78/x
  3. Step 3: Cross multiply
    370,625.82x = 556,042.41 × 121,482.78
  4. Step 4: Simplify right side
    370,625.82x = 67,549,577,764.70
  5. Step 5: Solve for x
    x = 67,549,577,764.70/370,625.82
  6. Step 6: Final answer
    x = 182,258.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.