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Finding the Fourth Proportional to 283,566.80, 424,825.40 and 165,294.80

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Solution

The fourth proportional to 283,566.80, 424,825.40 and 165,294.80 is: 247,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,566.80 : 424,825.40 = 165,294.80 : x
  2. Step 2: Convert to fraction form
    283,566.80/424,825.40 = 165,294.80/x
  3. Step 3: Cross multiply
    283,566.80x = 424,825.40 × 165,294.80
  4. Step 4: Simplify right side
    283,566.80x = 70,221,429,527.92
  5. Step 5: Solve for x
    x = 70,221,429,527.92/283,566.80
  6. Step 6: Final answer
    x = 247,636.29

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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.