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Finding the Fourth Proportional to 315,672.84, 473,458.23 and 115,943.85

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Solution

The fourth proportional to 315,672.84, 473,458.23 and 115,943.85 is: 173,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,672.84 : 473,458.23 = 115,943.85 : x
  2. Step 2: Convert to fraction form
    315,672.84/473,458.23 = 115,943.85/x
  3. Step 3: Cross multiply
    315,672.84x = 473,458.23 × 115,943.85
  4. Step 4: Simplify right side
    315,672.84x = 54,894,570,000.39
  5. Step 5: Solve for x
    x = 54,894,570,000.39/315,672.84
  6. Step 6: Final answer
    x = 173,897.03

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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.