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Finding the Fourth Proportional to 391,510.84, 587,266.62 and 96,022.84

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Solution

The fourth proportional to 391,510.84, 587,266.62 and 96,022.84 is: 144,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,510.84 : 587,266.62 = 96,022.84 : x
  2. Step 2: Convert to fraction form
    391,510.84/587,266.62 = 96,022.84/x
  3. Step 3: Cross multiply
    391,510.84x = 587,266.62 × 96,022.84
  4. Step 4: Simplify right side
    391,510.84x = 56,391,008,689.60
  5. Step 5: Solve for x
    x = 56,391,008,689.60/391,510.84
  6. Step 6: Final answer
    x = 144,034.35

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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.