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Finding the Fourth Proportional to 582,504.20, 874,145.10 and 266,798.60

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Solution

The fourth proportional to 582,504.20, 874,145.10 and 266,798.60 is: 400,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,504.20 : 874,145.10 = 266,798.60 : x
  2. Step 2: Convert to fraction form
    582,504.20/874,145.10 = 266,798.60/x
  3. Step 3: Cross multiply
    582,504.20x = 874,145.10 × 266,798.60
  4. Step 4: Simplify right side
    582,504.20x = 233,220,688,876.86
  5. Step 5: Solve for x
    x = 233,220,688,876.86/582,504.20
  6. Step 6: Final answer
    x = 400,375.98

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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.