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Finding the Fourth Proportional to 251,664.60, 377,496.90 and 240,000.60

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Solution

The fourth proportional to 251,664.60, 377,496.90 and 240,000.60 is: 360,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,664.60 : 377,496.90 = 240,000.60 : x
  2. Step 2: Convert to fraction form
    251,664.60/377,496.90 = 240,000.60/x
  3. Step 3: Cross multiply
    251,664.60x = 377,496.90 × 240,000.60
  4. Step 4: Simplify right side
    251,664.60x = 90,599,482,498.14
  5. Step 5: Solve for x
    x = 90,599,482,498.14/251,664.60
  6. Step 6: Final answer
    x = 360,000.90

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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.