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Finding the Fourth Proportional to 373,776.60, 516,486.44 and 266,159.80

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Solution

The fourth proportional to 373,776.60, 516,486.44 and 266,159.80 is: 367,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,776.60 : 516,486.44 = 266,159.80 : x
  2. Step 2: Convert to fraction form
    373,776.60/516,486.44 = 266,159.80/x
  3. Step 3: Cross multiply
    373,776.60x = 516,486.44 × 266,159.80
  4. Step 4: Simplify right side
    373,776.60x = 137,467,927,386.97
  5. Step 5: Solve for x
    x = 137,467,927,386.97/373,776.60
  6. Step 6: Final answer
    x = 367,780.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.