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Finding the Fourth Proportional to 582,847.65, 874,329.80 and 162,123.53

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Solution

The fourth proportional to 582,847.65, 874,329.80 and 162,123.53 is: 243,201.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,847.65 : 874,329.80 = 162,123.53 : x
  2. Step 2: Convert to fraction form
    582,847.65/874,329.80 = 162,123.53/x
  3. Step 3: Cross multiply
    582,847.65x = 874,329.80 × 162,123.53
  4. Step 4: Simplify right side
    582,847.65x = 141,749,428,377.93
  5. Step 5: Solve for x
    x = 141,749,428,377.93/582,847.65
  6. Step 6: Final answer
    x = 243,201.51

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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.