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Finding the Fourth Proportional to 337,430.72, 465,636.12 and 186,518

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Solution

The fourth proportional to 337,430.72, 465,636.12 and 186,518 is: 257,384.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,430.72 : 465,636.12 = 186,518 : x
  2. Step 2: Convert to fraction form
    337,430.72/465,636.12 = 186,518/x
  3. Step 3: Cross multiply
    337,430.72x = 465,636.12 × 186,518
  4. Step 4: Simplify right side
    337,430.72x = 86,849,517,830.16
  5. Step 5: Solve for x
    x = 86,849,517,830.16/337,430.72
  6. Step 6: Final answer
    x = 257,384.74

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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.