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Finding the Fourth Proportional to 459,018.98, 633,433.50 and 255,064.62

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Solution

The fourth proportional to 459,018.98, 633,433.50 and 255,064.62 is: 351,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,018.98 : 633,433.50 = 255,064.62 : x
  2. Step 2: Convert to fraction form
    459,018.98/633,433.50 = 255,064.62/x
  3. Step 3: Cross multiply
    459,018.98x = 633,433.50 × 255,064.62
  4. Step 4: Simplify right side
    459,018.98x = 161,566,474,972.77
  5. Step 5: Solve for x
    x = 161,566,474,972.77/459,018.98
  6. Step 6: Final answer
    x = 351,982.12

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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.