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Finding the Fourth Proportional to 229,366.69, 316,507.89 and 127,382.29

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Solution

The fourth proportional to 229,366.69, 316,507.89 and 127,382.29 is: 175,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,366.69 : 316,507.89 = 127,382.29 : x
  2. Step 2: Convert to fraction form
    229,366.69/316,507.89 = 127,382.29/x
  3. Step 3: Cross multiply
    229,366.69x = 316,507.89 × 127,382.29
  4. Step 4: Simplify right side
    229,366.69x = 40,317,499,831.27
  5. Step 5: Solve for x
    x = 40,317,499,831.27/229,366.69
  6. Step 6: Final answer
    x = 175,777.48

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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.