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Finding the Fourth Proportional to 495,578.89, 743,417.34 and 158,534.92

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Solution

The fourth proportional to 495,578.89, 743,417.34 and 158,534.92 is: 237,818.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,578.89 : 743,417.34 = 158,534.92 : x
  2. Step 2: Convert to fraction form
    495,578.89/743,417.34 = 158,534.92/x
  3. Step 3: Cross multiply
    495,578.89x = 743,417.34 × 158,534.92
  4. Step 4: Simplify right side
    495,578.89x = 117,857,608,523.51
  5. Step 5: Solve for x
    x = 117,857,608,523.51/495,578.89
  6. Step 6: Final answer
    x = 237,818.06

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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.