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Finding the Fourth Proportional to 482,312.16, 665,624.88 and 267,472.80

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Solution

The fourth proportional to 482,312.16, 665,624.88 and 267,472.80 is: 369,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,312.16 : 665,624.88 = 267,472.80 : x
  2. Step 2: Convert to fraction form
    482,312.16/665,624.88 = 267,472.80/x
  3. Step 3: Cross multiply
    482,312.16x = 665,624.88 × 267,472.80
  4. Step 4: Simplify right side
    482,312.16x = 178,036,550,403.26
  5. Step 5: Solve for x
    x = 178,036,550,403.26/482,312.16
  6. Step 6: Final answer
    x = 369,131.37

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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.