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Finding the Fourth Proportional to 536,488.60, 804,732.90 and 204,021.40

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Solution

The fourth proportional to 536,488.60, 804,732.90 and 204,021.40 is: 306,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,488.60 : 804,732.90 = 204,021.40 : x
  2. Step 2: Convert to fraction form
    536,488.60/804,732.90 = 204,021.40/x
  3. Step 3: Cross multiply
    536,488.60x = 804,732.90 × 204,021.40
  4. Step 4: Simplify right side
    536,488.60x = 164,182,732,884.06
  5. Step 5: Solve for x
    x = 164,182,732,884.06/536,488.60
  6. Step 6: Final answer
    x = 306,032.10

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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.