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Finding the Fourth Proportional to 302,582.20, 436,278.24 and 302,582.20

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Solution

The fourth proportional to 302,582.20, 436,278.24 and 302,582.20 is: 436,278.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,582.20 : 436,278.24 = 302,582.20 : x
  2. Step 2: Convert to fraction form
    302,582.20/436,278.24 = 302,582.20/x
  3. Step 3: Cross multiply
    302,582.20x = 436,278.24 × 302,582.20
  4. Step 4: Simplify right side
    302,582.20x = 132,010,029,671.33
  5. Step 5: Solve for x
    x = 132,010,029,671.33/302,582.20
  6. Step 6: Final answer
    x = 436,278.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.