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Finding the Fourth Proportional to 229,416.58, 316,586.07 and 127,448.45

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Solution

The fourth proportional to 229,416.58, 316,586.07 and 127,448.45 is: 175,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,416.58 : 316,586.07 = 127,448.45 : x
  2. Step 2: Convert to fraction form
    229,416.58/316,586.07 = 127,448.45/x
  3. Step 3: Cross multiply
    229,416.58x = 316,586.07 × 127,448.45
  4. Step 4: Simplify right side
    229,416.58x = 40,348,403,517.36
  5. Step 5: Solve for x
    x = 40,348,403,517.36/229,416.58
  6. Step 6: Final answer
    x = 175,873.96

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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.