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Finding the Fourth Proportional to 294,001.40, 439,835.70 and 254,991.80

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Solution

The fourth proportional to 294,001.40, 439,835.70 and 254,991.80 is: 381,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,001.40 : 439,835.70 = 254,991.80 : x
  2. Step 2: Convert to fraction form
    294,001.40/439,835.70 = 254,991.80/x
  3. Step 3: Cross multiply
    294,001.40x = 439,835.70 × 254,991.80
  4. Step 4: Simplify right side
    294,001.40x = 112,154,496,847.26
  5. Step 5: Solve for x
    x = 112,154,496,847.26/294,001.40
  6. Step 6: Final answer
    x = 381,476.06

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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.