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Finding the Fourth Proportional to 370,766.40, 556,279.20 and 160,555.20

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Solution

The fourth proportional to 370,766.40, 556,279.20 and 160,555.20 is: 240,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,766.40 : 556,279.20 = 160,555.20 : x
  2. Step 2: Convert to fraction form
    370,766.40/556,279.20 = 160,555.20/x
  3. Step 3: Cross multiply
    370,766.40x = 556,279.20 × 160,555.20
  4. Step 4: Simplify right side
    370,766.40x = 89,313,518,211.84
  5. Step 5: Solve for x
    x = 89,313,518,211.84/370,766.40
  6. Step 6: Final answer
    x = 240,888.92

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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.