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Finding the Fourth Proportional to 375,785.48, 563,626.38 and 207,616.52

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Solution

The fourth proportional to 375,785.48, 563,626.38 and 207,616.52 is: 311,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,785.48 : 563,626.38 = 207,616.52 : x
  2. Step 2: Convert to fraction form
    375,785.48/563,626.38 = 207,616.52/x
  3. Step 3: Cross multiply
    375,785.48x = 563,626.38 × 207,616.52
  4. Step 4: Simplify right side
    375,785.48x = 117,018,147,595.80
  5. Step 5: Solve for x
    x = 117,018,147,595.80/375,785.48
  6. Step 6: Final answer
    x = 311,396.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.