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Finding the Fourth Proportional to 482,349.57, 665,638.66 and 267,490.18

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Solution

The fourth proportional to 482,349.57, 665,638.66 and 267,490.18 is: 369,134.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,349.57 : 665,638.66 = 267,490.18 : x
  2. Step 2: Convert to fraction form
    482,349.57/665,638.66 = 267,490.18/x
  3. Step 3: Cross multiply
    482,349.57x = 665,638.66 × 267,490.18
  4. Step 4: Simplify right side
    482,349.57x = 178,051,804,978.36
  5. Step 5: Solve for x
    x = 178,051,804,978.36/482,349.57
  6. Step 6: Final answer
    x = 369,134.37

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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.