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Finding the Fourth Proportional to 331,504.10, 497,256.15 and 109,888.10

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Solution

The fourth proportional to 331,504.10, 497,256.15 and 109,888.10 is: 164,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,504.10 : 497,256.15 = 109,888.10 : x
  2. Step 2: Convert to fraction form
    331,504.10/497,256.15 = 109,888.10/x
  3. Step 3: Cross multiply
    331,504.10x = 497,256.15 × 109,888.10
  4. Step 4: Simplify right side
    331,504.10x = 54,642,533,536.82
  5. Step 5: Solve for x
    x = 54,642,533,536.82/331,504.10
  6. Step 6: Final answer
    x = 164,832.15

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Similar ratio
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1.5x scale

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.