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Finding the Fourth Proportional to 532,843.40, 733,827.06 and 521,231.24

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Solution

The fourth proportional to 532,843.40, 733,827.06 and 521,231.24 is: 717,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,843.40 : 733,827.06 = 521,231.24 : x
  2. Step 2: Convert to fraction form
    532,843.40/733,827.06 = 521,231.24/x
  3. Step 3: Cross multiply
    532,843.40x = 733,827.06 × 521,231.24
  4. Step 4: Simplify right side
    532,843.40x = 382,493,588,429.35
  5. Step 5: Solve for x
    x = 382,493,588,429.35/532,843.40
  6. Step 6: Final answer
    x = 717,834.90

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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.