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Finding the Fourth Proportional to 503,148.20, 755,597.10 and 266,952.20

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Solution

The fourth proportional to 503,148.20, 755,597.10 and 266,952.20 is: 400,892.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,148.20 : 755,597.10 = 266,952.20 : x
  2. Step 2: Convert to fraction form
    503,148.20/755,597.10 = 266,952.20/x
  3. Step 3: Cross multiply
    503,148.20x = 755,597.10 × 266,952.20
  4. Step 4: Simplify right side
    503,148.20x = 201,708,308,158.62
  5. Step 5: Solve for x
    x = 201,708,308,158.62/503,148.20
  6. Step 6: Final answer
    x = 400,892.44

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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.