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Finding the Fourth Proportional to 317,251.03, 437,805.25 and 196,368.25

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Solution

The fourth proportional to 317,251.03, 437,805.25 and 196,368.25 is: 270,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,251.03 : 437,805.25 = 196,368.25 : x
  2. Step 2: Convert to fraction form
    317,251.03/437,805.25 = 196,368.25/x
  3. Step 3: Cross multiply
    317,251.03x = 437,805.25 × 196,368.25
  4. Step 4: Simplify right side
    317,251.03x = 85,971,050,783.31
  5. Step 5: Solve for x
    x = 85,971,050,783.31/317,251.03
  6. Step 6: Final answer
    x = 270,987.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.