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Finding the Fourth Proportional to 448,608.94, 619,080.35 and 247,404.94

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Solution

The fourth proportional to 448,608.94, 619,080.35 and 247,404.94 is: 341,418.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,608.94 : 619,080.35 = 247,404.94 : x
  2. Step 2: Convert to fraction form
    448,608.94/619,080.35 = 247,404.94/x
  3. Step 3: Cross multiply
    448,608.94x = 619,080.35 × 247,404.94
  4. Step 4: Simplify right side
    448,608.94x = 153,163,534,062.20
  5. Step 5: Solve for x
    x = 153,163,534,062.20/448,608.94
  6. Step 6: Final answer
    x = 341,418.82

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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.