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Finding the Fourth Proportional to 448,704, 619,255.26 and 247,500

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Solution

The fourth proportional to 448,704, 619,255.26 and 247,500 is: 341,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,704 : 619,255.26 = 247,500 : x
  2. Step 2: Convert to fraction form
    448,704/619,255.26 = 247,500/x
  3. Step 3: Cross multiply
    448,704x = 619,255.26 × 247,500
  4. Step 4: Simplify right side
    448,704x = 153,265,676,850
  5. Step 5: Solve for x
    x = 153,265,676,850/448,704
  6. Step 6: Final answer
    x = 341,574.13

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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.