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Finding the Fourth Proportional to 360,244.43, 540,365.92 and 338,322.49

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Solution

The fourth proportional to 360,244.43, 540,365.92 and 338,322.49 is: 507,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,244.43 : 540,365.92 = 338,322.49 : x
  2. Step 2: Convert to fraction form
    360,244.43/540,365.92 = 338,322.49/x
  3. Step 3: Cross multiply
    360,244.43x = 540,365.92 × 338,322.49
  4. Step 4: Simplify right side
    360,244.43x = 182,817,943,565.54
  5. Step 5: Solve for x
    x = 182,817,943,565.54/360,244.43
  6. Step 6: Final answer
    x = 507,483.05

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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.