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Finding the Fourth Proportional to 303,560.22, 418,962.33 and 176,309.64

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Solution

The fourth proportional to 303,560.22, 418,962.33 and 176,309.64 is: 243,335.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,560.22 : 418,962.33 = 176,309.64 : x
  2. Step 2: Convert to fraction form
    303,560.22/418,962.33 = 176,309.64/x
  3. Step 3: Cross multiply
    303,560.22x = 418,962.33 × 176,309.64
  4. Step 4: Simplify right side
    303,560.22x = 73,867,097,575.86
  5. Step 5: Solve for x
    x = 73,867,097,575.86/303,560.22
  6. Step 6: Final answer
    x = 243,335.89

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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.