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Finding the Fourth Proportional to 336,543.80, 504,815.70 and 123,311.30

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Solution

The fourth proportional to 336,543.80, 504,815.70 and 123,311.30 is: 184,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,543.80 : 504,815.70 = 123,311.30 : x
  2. Step 2: Convert to fraction form
    336,543.80/504,815.70 = 123,311.30/x
  3. Step 3: Cross multiply
    336,543.80x = 504,815.70 × 123,311.30
  4. Step 4: Simplify right side
    336,543.80x = 62,249,480,227.41
  5. Step 5: Solve for x
    x = 62,249,480,227.41/336,543.80
  6. Step 6: Final answer
    x = 184,966.95

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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.