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Finding the Fourth Proportional to 314,908.95, 472,363.43 and 181,720.65

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Solution

The fourth proportional to 314,908.95, 472,363.43 and 181,720.65 is: 272,580.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,908.95 : 472,363.43 = 181,720.65 : x
  2. Step 2: Convert to fraction form
    314,908.95/472,363.43 = 181,720.65/x
  3. Step 3: Cross multiply
    314,908.95x = 472,363.43 × 181,720.65
  4. Step 4: Simplify right side
    314,908.95x = 85,838,188,627.23
  5. Step 5: Solve for x
    x = 85,838,188,627.23/314,908.95
  6. Step 6: Final answer
    x = 272,580.98

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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.