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Finding the Fourth Proportional to 482,864.16, 666,347.72 and 267,998.70

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Solution

The fourth proportional to 482,864.16, 666,347.72 and 267,998.70 is: 369,835.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,864.16 : 666,347.72 = 267,998.70 : x
  2. Step 2: Convert to fraction form
    482,864.16/666,347.72 = 267,998.70/x
  3. Step 3: Cross multiply
    482,864.16x = 666,347.72 × 267,998.70
  4. Step 4: Simplify right side
    482,864.16x = 178,580,320,046.22
  5. Step 5: Solve for x
    x = 178,580,320,046.22/482,864.16
  6. Step 6: Final answer
    x = 369,835.53

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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.