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Finding the Fourth Proportional to 266,009.88, 398,563.74 and 160,607.46

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Solution

The fourth proportional to 266,009.88, 398,563.74 and 160,607.46 is: 240,638.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,009.88 : 398,563.74 = 160,607.46 : x
  2. Step 2: Convert to fraction form
    266,009.88/398,563.74 = 160,607.46/x
  3. Step 3: Cross multiply
    266,009.88x = 398,563.74 × 160,607.46
  4. Step 4: Simplify right side
    266,009.88x = 64,012,309,929.50
  5. Step 5: Solve for x
    x = 64,012,309,929.50/266,009.88
  6. Step 6: Final answer
    x = 240,638.84

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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.