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Finding the Fourth Proportional to 648,843.90, 973,265.85 and 616,366.95

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Solution

The fourth proportional to 648,843.90, 973,265.85 and 616,366.95 is: 924,550.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,843.90 : 973,265.85 = 616,366.95 : x
  2. Step 2: Convert to fraction form
    648,843.90/973,265.85 = 616,366.95/x
  3. Step 3: Cross multiply
    648,843.90x = 973,265.85 × 616,366.95
  4. Step 4: Simplify right side
    648,843.90x = 599,888,903,503.66
  5. Step 5: Solve for x
    x = 599,888,903,503.66/648,843.90
  6. Step 6: Final answer
    x = 924,550.43

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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.