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Finding the Fourth Proportional to 315,214.60, 472,562.70 and 167,470.60

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Solution

The fourth proportional to 315,214.60, 472,562.70 and 167,470.60 is: 251,068.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,214.60 : 472,562.70 = 167,470.60 : x
  2. Step 2: Convert to fraction form
    315,214.60/472,562.70 = 167,470.60/x
  3. Step 3: Cross multiply
    315,214.60x = 472,562.70 × 167,470.60
  4. Step 4: Simplify right side
    315,214.60x = 79,140,358,906.62
  5. Step 5: Solve for x
    x = 79,140,358,906.62/315,214.60
  6. Step 6: Final answer
    x = 251,068.19

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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.