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Finding the Fourth Proportional to 442,466.88, 610,459.83 and 261,117.60

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Solution

The fourth proportional to 442,466.88, 610,459.83 and 261,117.60 is: 360,257.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,466.88 : 610,459.83 = 261,117.60 : x
  2. Step 2: Convert to fraction form
    442,466.88/610,459.83 = 261,117.60/x
  3. Step 3: Cross multiply
    442,466.88x = 610,459.83 × 261,117.60
  4. Step 4: Simplify right side
    442,466.88x = 159,401,805,706.01
  5. Step 5: Solve for x
    x = 159,401,805,706.01/442,466.88
  6. Step 6: Final answer
    x = 360,257.03

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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.