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Finding the Fourth Proportional to 406,963.64, 610,362.34 and 154,156.97

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Solution

The fourth proportional to 406,963.64, 610,362.34 and 154,156.97 is: 231,203.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,963.64 : 610,362.34 = 154,156.97 : x
  2. Step 2: Convert to fraction form
    406,963.64/610,362.34 = 154,156.97/x
  3. Step 3: Cross multiply
    406,963.64x = 610,362.34 × 154,156.97
  4. Step 4: Simplify right side
    406,963.64x = 94,091,610,077.02
  5. Step 5: Solve for x
    x = 94,091,610,077.02/406,963.64
  6. Step 6: Final answer
    x = 231,203.97

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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.