Home / 331,531.91-497,301.35-265,392.48

Finding the Fourth Proportional to 331,531.91, 497,301.35 and 265,392.48

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Solution

The fourth proportional to 331,531.91, 497,301.35 and 265,392.48 is: 398,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,531.91 : 497,301.35 = 265,392.48 : x
  2. Step 2: Convert to fraction form
    331,531.91/497,301.35 = 265,392.48/x
  3. Step 3: Cross multiply
    331,531.91x = 497,301.35 × 265,392.48
  4. Step 4: Simplify right side
    331,531.91x = 131,980,037,256.89
  5. Step 5: Solve for x
    x = 131,980,037,256.89/331,531.91
  6. Step 6: Final answer
    x = 398,091.51

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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.