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Finding the Fourth Proportional to 501,099.68, 751,569.50 and 146,030.64

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Solution

The fourth proportional to 501,099.68, 751,569.50 and 146,030.64 is: 219,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,099.68 : 751,569.50 = 146,030.64 : x
  2. Step 2: Convert to fraction form
    501,099.68/751,569.50 = 146,030.64/x
  3. Step 3: Cross multiply
    501,099.68x = 751,569.50 × 146,030.64
  4. Step 4: Simplify right side
    501,099.68x = 109,752,175,089.48
  5. Step 5: Solve for x
    x = 109,752,175,089.48/501,099.68
  6. Step 6: Final answer
    x = 219,022.64

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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.