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Finding the Fourth Proportional to 266,566.60, 399,266.70 and 237,017.80

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Solution

The fourth proportional to 266,566.60, 399,266.70 and 237,017.80 is: 355,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,566.60 : 399,266.70 = 237,017.80 : x
  2. Step 2: Convert to fraction form
    266,566.60/399,266.70 = 237,017.80/x
  3. Step 3: Cross multiply
    266,566.60x = 399,266.70 × 237,017.80
  4. Step 4: Simplify right side
    266,566.60x = 94,633,314,847.26
  5. Step 5: Solve for x
    x = 94,633,314,847.26/266,566.60
  6. Step 6: Final answer
    x = 355,008.15

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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.