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Finding the Fourth Proportional to 302,446.20, 453,539.70 and 124,894.20

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Solution

The fourth proportional to 302,446.20, 453,539.70 and 124,894.20 is: 187,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,446.20 : 453,539.70 = 124,894.20 : x
  2. Step 2: Convert to fraction form
    302,446.20/453,539.70 = 124,894.20/x
  3. Step 3: Cross multiply
    302,446.20x = 453,539.70 × 124,894.20
  4. Step 4: Simplify right side
    302,446.20x = 56,644,477,999.74
  5. Step 5: Solve for x
    x = 56,644,477,999.74/302,446.20
  6. Step 6: Final answer
    x = 187,287.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.