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Finding the Fourth Proportional to 532,842.40, 733,825.68 and 521,230.24

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Solution

The fourth proportional to 532,842.40, 733,825.68 and 521,230.24 is: 717,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,842.40 : 733,825.68 = 521,230.24 : x
  2. Step 2: Convert to fraction form
    532,842.40/733,825.68 = 521,230.24/x
  3. Step 3: Cross multiply
    532,842.40x = 733,825.68 × 521,230.24
  4. Step 4: Simplify right side
    532,842.40x = 382,492,135,304.56
  5. Step 5: Solve for x
    x = 382,492,135,304.56/532,842.40
  6. Step 6: Final answer
    x = 717,833.52

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1.5x scale

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.