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Finding the Fourth Proportional to 525,816.82, 788,858.28 and 146,737.51

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Solution

The fourth proportional to 525,816.82, 788,858.28 and 146,737.51 is: 220,143.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,816.82 : 788,858.28 = 146,737.51 : x
  2. Step 2: Convert to fraction form
    525,816.82/788,858.28 = 146,737.51/x
  3. Step 3: Cross multiply
    525,816.82x = 788,858.28 × 146,737.51
  4. Step 4: Simplify right side
    525,816.82x = 115,755,099,750.08
  5. Step 5: Solve for x
    x = 115,755,099,750.08/525,816.82
  6. Step 6: Final answer
    x = 220,143.39

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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.