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Finding the Fourth Proportional to 353,552.16, 488,068.80 and 226,301.52

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Solution

The fourth proportional to 353,552.16, 488,068.80 and 226,301.52 is: 312,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,552.16 : 488,068.80 = 226,301.52 : x
  2. Step 2: Convert to fraction form
    353,552.16/488,068.80 = 226,301.52/x
  3. Step 3: Cross multiply
    353,552.16x = 488,068.80 × 226,301.52
  4. Step 4: Simplify right side
    353,552.16x = 110,450,711,304.58
  5. Step 5: Solve for x
    x = 110,450,711,304.58/353,552.16
  6. Step 6: Final answer
    x = 312,402.88

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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.