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Finding the Fourth Proportional to 675,141.87, 1,012,401.12 and 248,570.55

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Solution

The fourth proportional to 675,141.87, 1,012,401.12 and 248,570.55 is: 372,741.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,141.87 : 1,012,401.12 = 248,570.55 : x
  2. Step 2: Convert to fraction form
    675,141.87/1,012,401.12 = 248,570.55/x
  3. Step 3: Cross multiply
    675,141.87x = 1,012,401.12 × 248,570.55
  4. Step 4: Simplify right side
    675,141.87x = 251,653,103,219.02
  5. Step 5: Solve for x
    x = 251,653,103,219.02/675,141.87
  6. Step 6: Final answer
    x = 372,741.07

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Similar ratio
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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.