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Finding the Fourth Proportional to 353,592, 530,404.47 and 100,889.82

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Solution

The fourth proportional to 353,592, 530,404.47 and 100,889.82 is: 151,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,592 : 530,404.47 = 100,889.82 : x
  2. Step 2: Convert to fraction form
    353,592/530,404.47 = 100,889.82/x
  3. Step 3: Cross multiply
    353,592x = 530,404.47 × 100,889.82
  4. Step 4: Simplify right side
    353,592x = 53,512,411,505.50
  5. Step 5: Solve for x
    x = 53,512,411,505.50/353,592
  6. Step 6: Final answer
    x = 151,339.43

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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.