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Finding the Fourth Proportional to 453,325.80, 679,794.30 and 228,599.40

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Solution

The fourth proportional to 453,325.80, 679,794.30 and 228,599.40 is: 342,801.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,325.80 : 679,794.30 = 228,599.40 : x
  2. Step 2: Convert to fraction form
    453,325.80/679,794.30 = 228,599.40/x
  3. Step 3: Cross multiply
    453,325.80x = 679,794.30 × 228,599.40
  4. Step 4: Simplify right side
    453,325.80x = 155,400,569,103.42
  5. Step 5: Solve for x
    x = 155,400,569,103.42/453,325.80
  6. Step 6: Final answer
    x = 342,801.07

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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.