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Finding the Fourth Proportional to 568,235.04, 784,183.19 and 310,126.11

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Solution

The fourth proportional to 568,235.04, 784,183.19 and 310,126.11 is: 427,984.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,235.04 : 784,183.19 = 310,126.11 : x
  2. Step 2: Convert to fraction form
    568,235.04/784,183.19 = 310,126.11/x
  3. Step 3: Cross multiply
    568,235.04x = 784,183.19 × 310,126.11
  4. Step 4: Simplify right side
    568,235.04x = 243,195,680,691.46
  5. Step 5: Solve for x
    x = 243,195,680,691.46/568,235.04
  6. Step 6: Final answer
    x = 427,984.31

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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.