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Finding the Fourth Proportional to 445,537.89, 614,643.05 and 264,257.46

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Solution

The fourth proportional to 445,537.89, 614,643.05 and 264,257.46 is: 364,557.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,537.89 : 614,643.05 = 264,257.46 : x
  2. Step 2: Convert to fraction form
    445,537.89/614,643.05 = 264,257.46/x
  3. Step 3: Cross multiply
    445,537.89x = 614,643.05 × 264,257.46
  4. Step 4: Simplify right side
    445,537.89x = 162,424,011,860.30
  5. Step 5: Solve for x
    x = 162,424,011,860.30/445,537.89
  6. Step 6: Final answer
    x = 364,557.12

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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.