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Finding the Fourth Proportional to 554,349.40, 831,524.10 and 317,497.30

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Solution

The fourth proportional to 554,349.40, 831,524.10 and 317,497.30 is: 476,245.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,349.40 : 831,524.10 = 317,497.30 : x
  2. Step 2: Convert to fraction form
    554,349.40/831,524.10 = 317,497.30/x
  3. Step 3: Cross multiply
    554,349.40x = 831,524.10 × 317,497.30
  4. Step 4: Simplify right side
    554,349.40x = 264,006,656,634.93
  5. Step 5: Solve for x
    x = 264,006,656,634.93/554,349.40
  6. Step 6: Final answer
    x = 476,245.95

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Similar ratio
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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.