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Finding the Fourth Proportional to 335,841.30, 503,877.15 and 148,986.90

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Solution

The fourth proportional to 335,841.30, 503,877.15 and 148,986.90 is: 223,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,841.30 : 503,877.15 = 148,986.90 : x
  2. Step 2: Convert to fraction form
    335,841.30/503,877.15 = 148,986.90/x
  3. Step 3: Cross multiply
    335,841.30x = 503,877.15 × 148,986.90
  4. Step 4: Simplify right side
    335,841.30x = 75,071,094,559.34
  5. Step 5: Solve for x
    x = 75,071,094,559.34/335,841.30
  6. Step 6: Final answer
    x = 223,531.46

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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.