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Finding the Fourth Proportional to 270,482.86, 373,263.15 and 149,614.66

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Solution

The fourth proportional to 270,482.86, 373,263.15 and 149,614.66 is: 206,466.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,482.86 : 373,263.15 = 149,614.66 : x
  2. Step 2: Convert to fraction form
    270,482.86/373,263.15 = 149,614.66/x
  3. Step 3: Cross multiply
    270,482.86x = 373,263.15 × 149,614.66
  4. Step 4: Simplify right side
    270,482.86x = 55,845,639,277.78
  5. Step 5: Solve for x
    x = 55,845,639,277.78/270,482.86
  6. Step 6: Final answer
    x = 206,466.46

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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.