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Finding the Fourth Proportional to 451,949, 623,689.14 and 248,001.08

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Solution

The fourth proportional to 451,949, 623,689.14 and 248,001.08 is: 342,241.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,949 : 623,689.14 = 248,001.08 : x
  2. Step 2: Convert to fraction form
    451,949/623,689.14 = 248,001.08/x
  3. Step 3: Cross multiply
    451,949x = 623,689.14 × 248,001.08
  4. Step 4: Simplify right side
    451,949x = 154,675,580,304.27
  5. Step 5: Solve for x
    x = 154,675,580,304.27/451,949
  6. Step 6: Final answer
    x = 342,241.23

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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.