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Finding the Fourth Proportional to 451,042.64, 622,412.68 and 247,058.04

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Solution

The fourth proportional to 451,042.64, 622,412.68 and 247,058.04 is: 340,925.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,042.64 : 622,412.68 = 247,058.04 : x
  2. Step 2: Convert to fraction form
    451,042.64/622,412.68 = 247,058.04/x
  3. Step 3: Cross multiply
    451,042.64x = 622,412.68 × 247,058.04
  4. Step 4: Simplify right side
    451,042.64x = 153,772,059,228.80
  5. Step 5: Solve for x
    x = 153,772,059,228.80/451,042.64
  6. Step 6: Final answer
    x = 340,925.77

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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.