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Finding the Fourth Proportional to 482,069.42, 722,877.47 and 178,253.66

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Solution

The fourth proportional to 482,069.42, 722,877.47 and 178,253.66 is: 267,296.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,069.42 : 722,877.47 = 178,253.66 : x
  2. Step 2: Convert to fraction form
    482,069.42/722,877.47 = 178,253.66/x
  3. Step 3: Cross multiply
    482,069.42x = 722,877.47 × 178,253.66
  4. Step 4: Simplify right side
    482,069.42x = 128,855,551,590.29
  5. Step 5: Solve for x
    x = 128,855,551,590.29/482,069.42
  6. Step 6: Final answer
    x = 267,296.67

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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.