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Finding the Fourth Proportional to 501,045.73, 751,693.16 and 146,062.87

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Solution

The fourth proportional to 501,045.73, 751,693.16 and 146,062.87 is: 219,130.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,045.73 : 751,693.16 = 146,062.87 : x
  2. Step 2: Convert to fraction form
    501,045.73/751,693.16 = 146,062.87/x
  3. Step 3: Cross multiply
    501,045.73x = 751,693.16 × 146,062.87
  4. Step 4: Simplify right side
    501,045.73x = 109,794,463,219.11
  5. Step 5: Solve for x
    x = 109,794,463,219.11/501,045.73
  6. Step 6: Final answer
    x = 219,130.62

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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.