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Finding the Fourth Proportional to 497,681.20, 746,521.80 and 248,330.80

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Solution

The fourth proportional to 497,681.20, 746,521.80 and 248,330.80 is: 372,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,681.20 : 746,521.80 = 248,330.80 : x
  2. Step 2: Convert to fraction form
    497,681.20/746,521.80 = 248,330.80/x
  3. Step 3: Cross multiply
    497,681.20x = 746,521.80 × 248,330.80
  4. Step 4: Simplify right side
    497,681.20x = 185,384,355,811.44
  5. Step 5: Solve for x
    x = 185,384,355,811.44/497,681.20
  6. Step 6: Final answer
    x = 372,496.20

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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.