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Finding the Fourth Proportional to 892,894.83, 1,232,204.14 and 485,004.65

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Solution

The fourth proportional to 892,894.83, 1,232,204.14 and 485,004.65 is: 669,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,894.83 : 1,232,204.14 = 485,004.65 : x
  2. Step 2: Convert to fraction form
    892,894.83/1,232,204.14 = 485,004.65/x
  3. Step 3: Cross multiply
    892,894.83x = 1,232,204.14 × 485,004.65
  4. Step 4: Simplify right side
    892,894.83x = 597,624,737,974.86
  5. Step 5: Solve for x
    x = 597,624,737,974.86/892,894.83
  6. Step 6: Final answer
    x = 669,311.45

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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.