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Finding the Fourth Proportional to 539,440.97, 808,484.84 and 286,096.16

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Solution

The fourth proportional to 539,440.97, 808,484.84 and 286,096.16 is: 428,785.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,440.97 : 808,484.84 = 286,096.16 : x
  2. Step 2: Convert to fraction form
    539,440.97/808,484.84 = 286,096.16/x
  3. Step 3: Cross multiply
    539,440.97x = 808,484.84 × 286,096.16
  4. Step 4: Simplify right side
    539,440.97x = 231,304,404,099.79
  5. Step 5: Solve for x
    x = 231,304,404,099.79/539,440.97
  6. Step 6: Final answer
    x = 428,785.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.