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Finding the Fourth Proportional to 298,393, 447,585.08 and 73,753.46

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Solution

The fourth proportional to 298,393, 447,585.08 and 73,753.46 is: 110,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,393 : 447,585.08 = 73,753.46 : x
  2. Step 2: Convert to fraction form
    298,393/447,585.08 = 73,753.46/x
  3. Step 3: Cross multiply
    298,393x = 447,585.08 × 73,753.46
  4. Step 4: Simplify right side
    298,393x = 33,010,948,294.38
  5. Step 5: Solve for x
    x = 33,010,948,294.38/298,393
  6. Step 6: Final answer
    x = 110,629.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.