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Finding the Fourth Proportional to 616,085.90, 924,216.44 and 189,657.30

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Solution

The fourth proportional to 616,085.90, 924,216.44 and 189,657.30 is: 284,512.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,085.90 : 924,216.44 = 189,657.30 : x
  2. Step 2: Convert to fraction form
    616,085.90/924,216.44 = 189,657.30/x
  3. Step 3: Cross multiply
    616,085.90x = 924,216.44 × 189,657.30
  4. Step 4: Simplify right side
    616,085.90x = 175,284,394,626.01
  5. Step 5: Solve for x
    x = 175,284,394,626.01/616,085.90
  6. Step 6: Final answer
    x = 284,512.91

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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.