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Finding the Fourth Proportional to 229,326.44, 316,459.88 and 127,358.44

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Solution

The fourth proportional to 229,326.44, 316,459.88 and 127,358.44 is: 175,748.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,326.44 : 316,459.88 = 127,358.44 : x
  2. Step 2: Convert to fraction form
    229,326.44/316,459.88 = 127,358.44/x
  3. Step 3: Cross multiply
    229,326.44x = 316,459.88 × 127,358.44
  4. Step 4: Simplify right side
    229,326.44x = 40,303,836,639.39
  5. Step 5: Solve for x
    x = 40,303,836,639.39/229,326.44
  6. Step 6: Final answer
    x = 175,748.76

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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.