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Finding the Fourth Proportional to 551,615.48, 827,470.72 and 152,256.32

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Solution

The fourth proportional to 551,615.48, 827,470.72 and 152,256.32 is: 228,397.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,615.48 : 827,470.72 = 152,256.32 : x
  2. Step 2: Convert to fraction form
    551,615.48/827,470.72 = 152,256.32/x
  3. Step 3: Cross multiply
    551,615.48x = 827,470.72 × 152,256.32
  4. Step 4: Simplify right side
    551,615.48x = 125,987,646,734.95
  5. Step 5: Solve for x
    x = 125,987,646,734.95/551,615.48
  6. Step 6: Final answer
    x = 228,397.59

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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.