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Finding the Fourth Proportional to 335,701.80, 502,515.90 and 195,042.60

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Solution

The fourth proportional to 335,701.80, 502,515.90 and 195,042.60 is: 291,961.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,701.80 : 502,515.90 = 195,042.60 : x
  2. Step 2: Convert to fraction form
    335,701.80/502,515.90 = 195,042.60/x
  3. Step 3: Cross multiply
    335,701.80x = 502,515.90 × 195,042.60
  4. Step 4: Simplify right side
    335,701.80x = 98,012,007,677.34
  5. Step 5: Solve for x
    x = 98,012,007,677.34/335,701.80
  6. Step 6: Final answer
    x = 291,961.52

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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.