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Finding the Fourth Proportional to 448,588.26, 619,051.68 and 247,384.26

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Solution

The fourth proportional to 448,588.26, 619,051.68 and 247,384.26 is: 341,390.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,588.26 : 619,051.68 = 247,384.26 : x
  2. Step 2: Convert to fraction form
    448,588.26/619,051.68 = 247,384.26/x
  3. Step 3: Cross multiply
    448,588.26x = 619,051.68 × 247,384.26
  4. Step 4: Simplify right side
    448,588.26x = 153,143,641,758.56
  5. Step 5: Solve for x
    x = 153,143,641,758.56/448,588.26
  6. Step 6: Final answer
    x = 341,390.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.