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Finding the Fourth Proportional to 340,373.64, 469,844.16 and 267,586.65

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Solution

The fourth proportional to 340,373.64, 469,844.16 and 267,586.65 is: 369,370.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,373.64 : 469,844.16 = 267,586.65 : x
  2. Step 2: Convert to fraction form
    340,373.64/469,844.16 = 267,586.65/x
  3. Step 3: Cross multiply
    340,373.64x = 469,844.16 × 267,586.65
  4. Step 4: Simplify right side
    340,373.64x = 125,724,024,796.46
  5. Step 5: Solve for x
    x = 125,724,024,796.46/340,373.64
  6. Step 6: Final answer
    x = 369,370.63

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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.