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Finding the Fourth Proportional to 448,950, 619,551.81 and 247,746

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Solution

The fourth proportional to 448,950, 619,551.81 and 247,746 is: 341,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,950 : 619,551.81 = 247,746 : x
  2. Step 2: Convert to fraction form
    448,950/619,551.81 = 247,746/x
  3. Step 3: Cross multiply
    448,950x = 619,551.81 × 247,746
  4. Step 4: Simplify right side
    448,950x = 153,491,482,720.26
  5. Step 5: Solve for x
    x = 153,491,482,720.26/448,950
  6. Step 6: Final answer
    x = 341,889.93

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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.