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Finding the Fourth Proportional to 337,539, 465,818.40 and 186,636

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Solution

The fourth proportional to 337,539, 465,818.40 and 186,636 is: 257,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,539 : 465,818.40 = 186,636 : x
  2. Step 2: Convert to fraction form
    337,539/465,818.40 = 186,636/x
  3. Step 3: Cross multiply
    337,539x = 465,818.40 × 186,636
  4. Step 4: Simplify right side
    337,539x = 86,938,482,902.40
  5. Step 5: Solve for x
    x = 86,938,482,902.40/337,539
  6. Step 6: Final answer
    x = 257,565.74

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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.