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Finding the Fourth Proportional to 266,684,133.60, 400,026,200.40 and 237,773,743.20

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Solution

The fourth proportional to 266,684,133.60, 400,026,200.40 and 237,773,743.20 is: 356,660,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,684,133.60 : 400,026,200.40 = 237,773,743.20 : x
  2. Step 2: Convert to fraction form
    266,684,133.60/400,026,200.40 = 237,773,743.20/x
  3. Step 3: Cross multiply
    266,684,133.60x = 400,026,200.40 × 237,773,743.20
  4. Step 4: Simplify right side
    266,684,133.60x = 95,115,727,047,181,328
  5. Step 5: Solve for x
    x = 95,115,727,047,181,328/266,684,133.60
  6. Step 6: Final answer
    x = 356,660,614.80

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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.