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Finding the Fourth Proportional to 406,327.94, 607,020.87 and 263,005.59

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Solution

The fourth proportional to 406,327.94, 607,020.87 and 263,005.59 is: 392,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,327.94 : 607,020.87 = 263,005.59 : x
  2. Step 2: Convert to fraction form
    406,327.94/607,020.87 = 263,005.59/x
  3. Step 3: Cross multiply
    406,327.94x = 607,020.87 × 263,005.59
  4. Step 4: Simplify right side
    406,327.94x = 159,649,882,056.66
  5. Step 5: Solve for x
    x = 159,649,882,056.66/406,327.94
  6. Step 6: Final answer
    x = 392,908.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.