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Finding the Fourth Proportional to 556,934.43, 768,570.39 and 302,285.73

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Solution

The fourth proportional to 556,934.43, 768,570.39 and 302,285.73 is: 417,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,934.43 : 768,570.39 = 302,285.73 : x
  2. Step 2: Convert to fraction form
    556,934.43/768,570.39 = 302,285.73/x
  3. Step 3: Cross multiply
    556,934.43x = 768,570.39 × 302,285.73
  4. Step 4: Simplify right side
    556,934.43x = 232,327,861,397.54
  5. Step 5: Solve for x
    x = 232,327,861,397.54/556,934.43
  6. Step 6: Final answer
    x = 417,154.78

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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.