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Finding the Fourth Proportional to 582,543.76, 874,155.30 and 245,563.78

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Solution

The fourth proportional to 582,543.76, 874,155.30 and 245,563.78 is: 368,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,543.76 : 874,155.30 = 245,563.78 : x
  2. Step 2: Convert to fraction form
    582,543.76/874,155.30 = 245,563.78/x
  3. Step 3: Cross multiply
    582,543.76x = 874,155.30 × 245,563.78
  4. Step 4: Simplify right side
    582,543.76x = 214,660,879,775.03
  5. Step 5: Solve for x
    x = 214,660,879,775.03/582,543.76
  6. Step 6: Final answer
    x = 368,488.85

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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.