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Finding the Fourth Proportional to 283,501.70, 425,252.55 and 171,527.30

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Solution

The fourth proportional to 283,501.70, 425,252.55 and 171,527.30 is: 257,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,501.70 : 425,252.55 = 171,527.30 : x
  2. Step 2: Convert to fraction form
    283,501.70/425,252.55 = 171,527.30/x
  3. Step 3: Cross multiply
    283,501.70x = 425,252.55 × 171,527.30
  4. Step 4: Simplify right side
    283,501.70x = 72,942,421,719.62
  5. Step 5: Solve for x
    x = 72,942,421,719.62/283,501.70
  6. Step 6: Final answer
    x = 257,290.95

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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.