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Finding the Fourth Proportional to 868,798.10, 1,303,255.49 and 237,717.38

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Solution

The fourth proportional to 868,798.10, 1,303,255.49 and 237,717.38 is: 356,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,798.10 : 1,303,255.49 = 237,717.38 : x
  2. Step 2: Convert to fraction form
    868,798.10/1,303,255.49 = 237,717.38/x
  3. Step 3: Cross multiply
    868,798.10x = 1,303,255.49 × 237,717.38
  4. Step 4: Simplify right side
    868,798.10x = 309,806,482,622.97
  5. Step 5: Solve for x
    x = 309,806,482,622.97/868,798.10
  6. Step 6: Final answer
    x = 356,592.03

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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.