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Finding the Fourth Proportional to 448,407.98, 671,143.01 and 245,694.95

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Solution

The fourth proportional to 448,407.98, 671,143.01 and 245,694.95 is: 367,737.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,407.98 : 671,143.01 = 245,694.95 : x
  2. Step 2: Convert to fraction form
    448,407.98/671,143.01 = 245,694.95/x
  3. Step 3: Cross multiply
    448,407.98x = 671,143.01 × 245,694.95
  4. Step 4: Simplify right side
    448,407.98x = 164,896,443,700.61
  5. Step 5: Solve for x
    x = 164,896,443,700.61/448,407.98
  6. Step 6: Final answer
    x = 367,737.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.