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Finding the Fourth Proportional to 345,161.86, 476,140.68 and 237,545.06

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Solution

The fourth proportional to 345,161.86, 476,140.68 and 237,545.06 is: 327,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,161.86 : 476,140.68 = 237,545.06 : x
  2. Step 2: Convert to fraction form
    345,161.86/476,140.68 = 237,545.06/x
  3. Step 3: Cross multiply
    345,161.86x = 476,140.68 × 237,545.06
  4. Step 4: Simplify right side
    345,161.86x = 113,104,866,399.04
  5. Step 5: Solve for x
    x = 113,104,866,399.04/345,161.86
  6. Step 6: Final answer
    x = 327,686.46

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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.