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Finding the Fourth Proportional to 363,089.68, 543,701.40 and 222,421.84

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Solution

The fourth proportional to 363,089.68, 543,701.40 and 222,421.84 is: 333,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,089.68 : 543,701.40 = 222,421.84 : x
  2. Step 2: Convert to fraction form
    363,089.68/543,701.40 = 222,421.84/x
  3. Step 3: Cross multiply
    363,089.68x = 543,701.40 × 222,421.84
  4. Step 4: Simplify right side
    363,089.68x = 120,931,065,798.58
  5. Step 5: Solve for x
    x = 120,931,065,798.58/363,089.68
  6. Step 6: Final answer
    x = 333,061.15

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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.