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Finding the Fourth Proportional to 331,984.40, 497,911.80 and 110,368.40

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Solution

The fourth proportional to 331,984.40, 497,911.80 and 110,368.40 is: 165,531.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,984.40 : 497,911.80 = 110,368.40 : x
  2. Step 2: Convert to fraction form
    331,984.40/497,911.80 = 110,368.40/x
  3. Step 3: Cross multiply
    331,984.40x = 497,911.80 × 110,368.40
  4. Step 4: Simplify right side
    331,984.40x = 54,953,728,707.12
  5. Step 5: Solve for x
    x = 54,953,728,707.12/331,984.40
  6. Step 6: Final answer
    x = 165,531.06

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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.