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Finding the Fourth Proportional to 501,190.58, 749,990.00 and 433,954.58

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Solution

The fourth proportional to 501,190.58, 749,990.00 and 433,954.58 is: 649,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,190.58 : 749,990.00 = 433,954.58 : x
  2. Step 2: Convert to fraction form
    501,190.58/749,990.00 = 433,954.58/x
  3. Step 3: Cross multiply
    501,190.58x = 749,990.00 × 433,954.58
  4. Step 4: Simplify right side
    501,190.58x = 325,461,592,789.14
  5. Step 5: Solve for x
    x = 325,461,592,789.14/501,190.58
  6. Step 6: Final answer
    x = 649,376.91

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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.