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Finding the Fourth Proportional to 443,680.61, 612,058.82 and 262,304.19

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Solution

The fourth proportional to 443,680.61, 612,058.82 and 262,304.19 is: 361,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,680.61 : 612,058.82 = 262,304.19 : x
  2. Step 2: Convert to fraction form
    443,680.61/612,058.82 = 262,304.19/x
  3. Step 3: Cross multiply
    443,680.61x = 612,058.82 × 262,304.19
  4. Step 4: Simplify right side
    443,680.61x = 160,545,591,700.94
  5. Step 5: Solve for x
    x = 160,545,591,700.94/443,680.61
  6. Step 6: Final answer
    x = 361,849.47

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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.