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Finding the Fourth Proportional to 458,875.73, 633,178.22 and 254,907.91

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Solution

The fourth proportional to 458,875.73, 633,178.22 and 254,907.91 is: 351,733.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,875.73 : 633,178.22 = 254,907.91 : x
  2. Step 2: Convert to fraction form
    458,875.73/633,178.22 = 254,907.91/x
  3. Step 3: Cross multiply
    458,875.73x = 633,178.22 × 254,907.91
  4. Step 4: Simplify right side
    458,875.73x = 161,402,136,234.65
  5. Step 5: Solve for x
    x = 161,402,136,234.65/458,875.73
  6. Step 6: Final answer
    x = 351,733.87

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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.