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Finding the Fourth Proportional to 340,374.64, 469,845.54 and 267,587.65

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Solution

The fourth proportional to 340,374.64, 469,845.54 and 267,587.65 is: 369,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,374.64 : 469,845.54 = 267,587.65 : x
  2. Step 2: Convert to fraction form
    340,374.64/469,845.54 = 267,587.65/x
  3. Step 3: Cross multiply
    340,374.64x = 469,845.54 × 267,587.65
  4. Step 4: Simplify right side
    340,374.64x = 125,724,863,911.58
  5. Step 5: Solve for x
    x = 125,724,863,911.58/340,374.64
  6. Step 6: Final answer
    x = 369,372.01

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1.5x scale

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.