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Finding the Fourth Proportional to 265,348.86, 398,051.31 and 153,026.67

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Solution

The fourth proportional to 265,348.86, 398,051.31 and 153,026.67 is: 229,556.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,348.86 : 398,051.31 = 153,026.67 : x
  2. Step 2: Convert to fraction form
    265,348.86/398,051.31 = 153,026.67/x
  3. Step 3: Cross multiply
    265,348.86x = 398,051.31 × 153,026.67
  4. Step 4: Simplify right side
    265,348.86x = 60,912,466,285.94
  5. Step 5: Solve for x
    x = 60,912,466,285.94/265,348.86
  6. Step 6: Final answer
    x = 229,556.16

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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.