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Finding the Fourth Proportional to 544,079.70, 816,119.55 and 488,967.30

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Solution

The fourth proportional to 544,079.70, 816,119.55 and 488,967.30 is: 733,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,079.70 : 816,119.55 = 488,967.30 : x
  2. Step 2: Convert to fraction form
    544,079.70/816,119.55 = 488,967.30/x
  3. Step 3: Cross multiply
    544,079.70x = 816,119.55 × 488,967.30
  4. Step 4: Simplify right side
    544,079.70x = 399,055,772,840.72
  5. Step 5: Solve for x
    x = 399,055,772,840.72/544,079.70
  6. Step 6: Final answer
    x = 733,450.95

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Double scale
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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.