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Finding the Fourth Proportional to 340,370.64, 469,840.01 and 267,583.64

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Solution

The fourth proportional to 340,370.64, 469,840.01 and 267,583.64 is: 369,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,370.64 : 469,840.01 = 267,583.64 : x
  2. Step 2: Convert to fraction form
    340,370.64/469,840.01 = 267,583.64/x
  3. Step 3: Cross multiply
    340,370.64x = 469,840.01 × 267,583.64
  4. Step 4: Simplify right side
    340,370.64x = 125,721,496,406.32
  5. Step 5: Solve for x
    x = 125,721,496,406.32/340,370.64
  6. Step 6: Final answer
    x = 369,366.45

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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.