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Finding the Fourth Proportional to 568,233.32, 784,180.80 and 310,124.36

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Solution

The fourth proportional to 568,233.32, 784,180.80 and 310,124.36 is: 427,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,233.32 : 784,180.80 = 310,124.36 : x
  2. Step 2: Convert to fraction form
    568,233.32/784,180.80 = 310,124.36/x
  3. Step 3: Cross multiply
    568,233.32x = 784,180.80 × 310,124.36
  4. Step 4: Simplify right side
    568,233.32x = 243,193,568,724.29
  5. Step 5: Solve for x
    x = 243,193,568,724.29/568,233.32
  6. Step 6: Final answer
    x = 427,981.89

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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.