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Finding the Fourth Proportional to 451,248.75, 622,730.16 and 247,298.01

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Solution

The fourth proportional to 451,248.75, 622,730.16 and 247,298.01 is: 341,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,248.75 : 622,730.16 = 247,298.01 : x
  2. Step 2: Convert to fraction form
    451,248.75/622,730.16 = 247,298.01/x
  3. Step 3: Cross multiply
    451,248.75x = 622,730.16 × 247,298.01
  4. Step 4: Simplify right side
    451,248.75x = 153,999,932,073.84
  5. Step 5: Solve for x
    x = 153,999,932,073.84/451,248.75
  6. Step 6: Final answer
    x = 341,275.03

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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.