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Finding the Fourth Proportional to 568,076.28, 783,751.30 and 323,036.70

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Solution

The fourth proportional to 568,076.28, 783,751.30 and 323,036.70 is: 445,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,076.28 : 783,751.30 = 323,036.70 : x
  2. Step 2: Convert to fraction form
    568,076.28/783,751.30 = 323,036.70/x
  3. Step 3: Cross multiply
    568,076.28x = 783,751.30 × 323,036.70
  4. Step 4: Simplify right side
    568,076.28x = 253,180,433,572.71
  5. Step 5: Solve for x
    x = 253,180,433,572.71/568,076.28
  6. Step 6: Final answer
    x = 445,680.35

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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.