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Finding the Fourth Proportional to 411,033.40, 616,404.30 and 144,802.60

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Solution

The fourth proportional to 411,033.40, 616,404.30 and 144,802.60 is: 217,152.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,033.40 : 616,404.30 = 144,802.60 : x
  2. Step 2: Convert to fraction form
    411,033.40/616,404.30 = 144,802.60/x
  3. Step 3: Cross multiply
    411,033.40x = 616,404.30 × 144,802.60
  4. Step 4: Simplify right side
    411,033.40x = 89,256,945,291.18
  5. Step 5: Solve for x
    x = 89,256,945,291.18/411,033.40
  6. Step 6: Final answer
    x = 217,152.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.