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Finding the Fourth Proportional to 406,727, 610,141.52 and 122,373.26

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Solution

The fourth proportional to 406,727, 610,141.52 and 122,373.26 is: 183,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,727 : 610,141.52 = 122,373.26 : x
  2. Step 2: Convert to fraction form
    406,727/610,141.52 = 122,373.26/x
  3. Step 3: Cross multiply
    406,727x = 610,141.52 × 122,373.26
  4. Step 4: Simplify right side
    406,727x = 74,665,006,863.76
  5. Step 5: Solve for x
    x = 74,665,006,863.76/406,727
  6. Step 6: Final answer
    x = 183,575.24

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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.