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Finding the Fourth Proportional to 383,451.67, 575,178.99 and 117,211.15

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Solution

The fourth proportional to 383,451.67, 575,178.99 and 117,211.15 is: 175,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,451.67 : 575,178.99 = 117,211.15 : x
  2. Step 2: Convert to fraction form
    383,451.67/575,178.99 = 117,211.15/x
  3. Step 3: Cross multiply
    383,451.67x = 575,178.99 × 117,211.15
  4. Step 4: Simplify right side
    383,451.67x = 67,417,390,873.74
  5. Step 5: Solve for x
    x = 67,417,390,873.74/383,451.67
  6. Step 6: Final answer
    x = 175,817.18

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1.5x scale

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.