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Finding the Fourth Proportional to 235,390.32, 324,844.98 and 127,967.64

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Solution

The fourth proportional to 235,390.32, 324,844.98 and 127,967.64 is: 176,598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,390.32 : 324,844.98 = 127,967.64 : x
  2. Step 2: Convert to fraction form
    235,390.32/324,844.98 = 127,967.64/x
  3. Step 3: Cross multiply
    235,390.32x = 324,844.98 × 127,967.64
  4. Step 4: Simplify right side
    235,390.32x = 41,569,645,456.45
  5. Step 5: Solve for x
    x = 41,569,645,456.45/235,390.32
  6. Step 6: Final answer
    x = 176,598.79

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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.