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Finding the Fourth Proportional to 530,679.60, 731,092.32 and 369,257.04

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Solution

The fourth proportional to 530,679.60, 731,092.32 and 369,257.04 is: 508,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,679.60 : 731,092.32 = 369,257.04 : x
  2. Step 2: Convert to fraction form
    530,679.60/731,092.32 = 369,257.04/x
  3. Step 3: Cross multiply
    530,679.60x = 731,092.32 × 369,257.04
  4. Step 4: Simplify right side
    530,679.60x = 269,960,986,049.93
  5. Step 5: Solve for x
    x = 269,960,986,049.93/530,679.60
  6. Step 6: Final answer
    x = 508,708.05

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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.