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Finding the Fourth Proportional to 668,207.27, 921,233.99 and 530,841.98

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Solution

The fourth proportional to 668,207.27, 921,233.99 and 530,841.98 is: 731,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,207.27 : 921,233.99 = 530,841.98 : x
  2. Step 2: Convert to fraction form
    668,207.27/921,233.99 = 530,841.98/x
  3. Step 3: Cross multiply
    668,207.27x = 921,233.99 × 530,841.98
  4. Step 4: Simplify right side
    668,207.27x = 489,029,670,757.16
  5. Step 5: Solve for x
    x = 489,029,670,757.16/668,207.27
  6. Step 6: Final answer
    x = 731,853.26

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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.