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Finding the Fourth Proportional to 506,810.80, 699,399.17 and 277,367.95

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Solution

The fourth proportional to 506,810.80, 699,399.17 and 277,367.95 is: 382,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,810.80 : 699,399.17 = 277,367.95 : x
  2. Step 2: Convert to fraction form
    506,810.80/699,399.17 = 277,367.95/x
  3. Step 3: Cross multiply
    506,810.80x = 699,399.17 × 277,367.95
  4. Step 4: Simplify right side
    506,810.80x = 193,990,915,118.81
  5. Step 5: Solve for x
    x = 193,990,915,118.81/506,810.80
  6. Step 6: Final answer
    x = 382,767.92

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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.