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Finding the Fourth Proportional to 506,596.24, 699,110.28 and 280,240.72

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Solution

The fourth proportional to 506,596.24, 699,110.28 and 280,240.72 is: 386,736.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,596.24 : 699,110.28 = 280,240.72 : x
  2. Step 2: Convert to fraction form
    506,596.24/699,110.28 = 280,240.72/x
  3. Step 3: Cross multiply
    506,596.24x = 699,110.28 × 280,240.72
  4. Step 4: Simplify right side
    506,596.24x = 195,919,168,226.60
  5. Step 5: Solve for x
    x = 195,919,168,226.60/506,596.24
  6. Step 6: Final answer
    x = 386,736.33

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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.