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Finding the Fourth Proportional to 503,582.32, 694,922.88 and 288,572.68

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Solution

The fourth proportional to 503,582.32, 694,922.88 and 288,572.68 is: 398,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,582.32 : 694,922.88 = 288,572.68 : x
  2. Step 2: Convert to fraction form
    503,582.32/694,922.88 = 288,572.68/x
  3. Step 3: Cross multiply
    503,582.32x = 694,922.88 × 288,572.68
  4. Step 4: Simplify right side
    503,582.32x = 200,535,757,874.92
  5. Step 5: Solve for x
    x = 200,535,757,874.92/503,582.32
  6. Step 6: Final answer
    x = 398,218.42

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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.