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Finding the Fourth Proportional to 497,681.70, 746,522.55 and 165,257.70

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Solution

The fourth proportional to 497,681.70, 746,522.55 and 165,257.70 is: 247,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,681.70 : 746,522.55 = 165,257.70 : x
  2. Step 2: Convert to fraction form
    497,681.70/746,522.55 = 165,257.70/x
  3. Step 3: Cross multiply
    497,681.70x = 746,522.55 × 165,257.70
  4. Step 4: Simplify right side
    497,681.70x = 123,368,599,611.14
  5. Step 5: Solve for x
    x = 123,368,599,611.14/497,681.70
  6. Step 6: Final answer
    x = 247,886.55

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Similar ratio
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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.