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Finding the Fourth Proportional to 482,670.55, 666,088.28 and 267,814.81

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Solution

The fourth proportional to 482,670.55, 666,088.28 and 267,814.81 is: 369,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,670.55 : 666,088.28 = 267,814.81 : x
  2. Step 2: Convert to fraction form
    482,670.55/666,088.28 = 267,814.81/x
  3. Step 3: Cross multiply
    482,670.55x = 666,088.28 × 267,814.81
  4. Step 4: Simplify right side
    482,670.55x = 178,388,306,151.43
  5. Step 5: Solve for x
    x = 178,388,306,151.43/482,670.55
  6. Step 6: Final answer
    x = 369,586.06

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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.