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Finding the Fourth Proportional to 577,343.67, 865,924.54 and 193,089.60

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Solution

The fourth proportional to 577,343.67, 865,924.54 and 193,089.60 is: 289,603.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,343.67 : 865,924.54 = 193,089.60 : x
  2. Step 2: Convert to fraction form
    577,343.67/865,924.54 = 193,089.60/x
  3. Step 3: Cross multiply
    577,343.67x = 865,924.54 × 193,089.60
  4. Step 4: Simplify right side
    577,343.67x = 167,201,022,576.06
  5. Step 5: Solve for x
    x = 167,201,022,576.06/577,343.67
  6. Step 6: Final answer
    x = 289,603.98

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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.