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Finding the Fourth Proportional to 411,173.66, 616,813.63 and 158,526.41

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Solution

The fourth proportional to 411,173.66, 616,813.63 and 158,526.41 is: 237,810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,173.66 : 616,813.63 = 158,526.41 : x
  2. Step 2: Convert to fraction form
    411,173.66/616,813.63 = 158,526.41/x
  3. Step 3: Cross multiply
    411,173.66x = 616,813.63 × 158,526.41
  4. Step 4: Simplify right side
    411,173.66x = 97,781,246,922.58
  5. Step 5: Solve for x
    x = 97,781,246,922.58/411,173.66
  6. Step 6: Final answer
    x = 237,810.09

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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.