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Finding the Fourth Proportional to 654,989.16, 901,701.54 and 624,896.04

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Solution

The fourth proportional to 654,989.16, 901,701.54 and 624,896.04 is: 860,273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,989.16 : 901,701.54 = 624,896.04 : x
  2. Step 2: Convert to fraction form
    654,989.16/901,701.54 = 624,896.04/x
  3. Step 3: Cross multiply
    654,989.16x = 901,701.54 × 624,896.04
  4. Step 4: Simplify right side
    654,989.16x = 563,469,721,607.90
  5. Step 5: Solve for x
    x = 563,469,721,607.90/654,989.16
  6. Step 6: Final answer
    x = 860,273.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.