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Finding the Fourth Proportional to 452,013.56, 623,776.76 and 248,067.78

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Solution

The fourth proportional to 452,013.56, 623,776.76 and 248,067.78 is: 342,332.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,013.56 : 623,776.76 = 248,067.78 : x
  2. Step 2: Convert to fraction form
    452,013.56/623,776.76 = 248,067.78/x
  3. Step 3: Cross multiply
    452,013.56x = 623,776.76 × 248,067.78
  4. Step 4: Simplify right side
    452,013.56x = 154,738,912,721.86
  5. Step 5: Solve for x
    x = 154,738,912,721.86/452,013.56
  6. Step 6: Final answer
    x = 342,332.46

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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.