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Finding the Fourth Proportional to 459,461.48, 633,963.92 and 268,437.96

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Solution

The fourth proportional to 459,461.48, 633,963.92 and 268,437.96 is: 370,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,461.48 : 633,963.92 = 268,437.96 : x
  2. Step 2: Convert to fraction form
    459,461.48/633,963.92 = 268,437.96/x
  3. Step 3: Cross multiply
    459,461.48x = 633,963.92 × 268,437.96
  4. Step 4: Simplify right side
    459,461.48x = 170,179,981,398.40
  5. Step 5: Solve for x
    x = 170,179,981,398.40/459,461.48
  6. Step 6: Final answer
    x = 370,390.10

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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.