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Finding the Fourth Proportional to 844,885.86, 1,165,897.87 and 482,295.30

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Solution

The fourth proportional to 844,885.86, 1,165,897.87 and 482,295.30 is: 665,542.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,885.86 : 1,165,897.87 = 482,295.30 : x
  2. Step 2: Convert to fraction form
    844,885.86/1,165,897.87 = 482,295.30/x
  3. Step 3: Cross multiply
    844,885.86x = 1,165,897.87 × 482,295.30
  4. Step 4: Simplify right side
    844,885.86x = 562,307,062,981.01
  5. Step 5: Solve for x
    x = 562,307,062,981.01/844,885.86
  6. Step 6: Final answer
    x = 665,542.04

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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.