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Finding the Fourth Proportional to 582,146.24, 803,096.30 and 420,745.64

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Solution

The fourth proportional to 582,146.24, 803,096.30 and 420,745.64 is: 580,437.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,146.24 : 803,096.30 = 420,745.64 : x
  2. Step 2: Convert to fraction form
    582,146.24/803,096.30 = 420,745.64/x
  3. Step 3: Cross multiply
    582,146.24x = 803,096.30 × 420,745.64
  4. Step 4: Simplify right side
    582,146.24x = 337,899,263,761.52
  5. Step 5: Solve for x
    x = 337,899,263,761.52/582,146.24
  6. Step 6: Final answer
    x = 580,437.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.