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Finding the Fourth Proportional to 892,903.91, 1,232,309.62 and 500,542.84

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Solution

The fourth proportional to 892,903.91, 1,232,309.62 and 500,542.84 is: 690,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,903.91 : 1,232,309.62 = 500,542.84 : x
  2. Step 2: Convert to fraction form
    892,903.91/1,232,309.62 = 500,542.84/x
  3. Step 3: Cross multiply
    892,903.91x = 1,232,309.62 × 500,542.84
  4. Step 4: Simplify right side
    892,903.91x = 616,823,754,451.41
  5. Step 5: Solve for x
    x = 616,823,754,451.41/892,903.91
  6. Step 6: Final answer
    x = 690,806.42

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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.