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Finding the Fourth Proportional to 448,177, 618,484.26 and 246,973

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Solution

The fourth proportional to 448,177, 618,484.26 and 246,973 is: 340,822.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,177 : 618,484.26 = 246,973 : x
  2. Step 2: Convert to fraction form
    448,177/618,484.26 = 246,973/x
  3. Step 3: Cross multiply
    448,177x = 618,484.26 × 246,973
  4. Step 4: Simplify right side
    448,177x = 152,748,913,144.98
  5. Step 5: Solve for x
    x = 152,748,913,144.98/448,177
  6. Step 6: Final answer
    x = 340,822.74

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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.