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Finding the Fourth Proportional to 353,410.44, 487,701.30 and 192,266.88

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Solution

The fourth proportional to 353,410.44, 487,701.30 and 192,266.88 is: 265,325.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,410.44 : 487,701.30 = 192,266.88 : x
  2. Step 2: Convert to fraction form
    353,410.44/487,701.30 = 192,266.88/x
  3. Step 3: Cross multiply
    353,410.44x = 487,701.30 × 192,266.88
  4. Step 4: Simplify right side
    353,410.44x = 93,768,807,322.94
  5. Step 5: Solve for x
    x = 93,768,807,322.94/353,410.44
  6. Step 6: Final answer
    x = 265,325.52

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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.