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Finding the Fourth Proportional to 406,777.62, 610,169.98 and 107,300.72

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Solution

The fourth proportional to 406,777.62, 610,169.98 and 107,300.72 is: 160,952.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,777.62 : 610,169.98 = 107,300.72 : x
  2. Step 2: Convert to fraction form
    406,777.62/610,169.98 = 107,300.72/x
  3. Step 3: Cross multiply
    406,777.62x = 610,169.98 × 107,300.72
  4. Step 4: Simplify right side
    406,777.62x = 65,471,678,176.39
  5. Step 5: Solve for x
    x = 65,471,678,176.39/406,777.62
  6. Step 6: Final answer
    x = 160,952.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.