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Finding the Fourth Proportional to 459,409.01, 633,891.06 and 268,385.49

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Solution

The fourth proportional to 459,409.01, 633,891.06 and 268,385.49 is: 370,317.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,409.01 : 633,891.06 = 268,385.49 : x
  2. Step 2: Convert to fraction form
    459,409.01/633,891.06 = 268,385.49/x
  3. Step 3: Cross multiply
    459,409.01x = 633,891.06 × 268,385.49
  4. Step 4: Simplify right side
    459,409.01x = 170,127,166,128.26
  5. Step 5: Solve for x
    x = 170,127,166,128.26/459,409.01
  6. Step 6: Final answer
    x = 370,317.44

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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.