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Finding the Fourth Proportional to 337,430.88, 465,631.20 and 186,516

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Solution

The fourth proportional to 337,430.88, 465,631.20 and 186,516 is: 257,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,430.88 : 465,631.20 = 186,516 : x
  2. Step 2: Convert to fraction form
    337,430.88/465,631.20 = 186,516/x
  3. Step 3: Cross multiply
    337,430.88x = 465,631.20 × 186,516
  4. Step 4: Simplify right side
    337,430.88x = 86,847,668,899.20
  5. Step 5: Solve for x
    x = 86,847,668,899.20/337,430.88
  6. Step 6: Final answer
    x = 257,379.14

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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.