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Finding the Fourth Proportional to 459,463.98, 633,967.38 and 268,440.47

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Solution

The fourth proportional to 459,463.98, 633,967.38 and 268,440.47 is: 370,393.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,463.98 : 633,967.38 = 268,440.47 : x
  2. Step 2: Convert to fraction form
    459,463.98/633,967.38 = 268,440.47/x
  3. Step 3: Cross multiply
    459,463.98x = 633,967.38 × 268,440.47
  4. Step 4: Simplify right side
    459,463.98x = 170,182,501,451.87
  5. Step 5: Solve for x
    x = 170,182,501,451.87/459,463.98
  6. Step 6: Final answer
    x = 370,393.56

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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.