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Finding the Fourth Proportional to 624,603.14, 935,485.77 and 488,821.22

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Solution

The fourth proportional to 624,603.14, 935,485.77 and 488,821.22 is: 732,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,603.14 : 935,485.77 = 488,821.22 : x
  2. Step 2: Convert to fraction form
    624,603.14/935,485.77 = 488,821.22/x
  3. Step 3: Cross multiply
    624,603.14x = 935,485.77 × 488,821.22
  4. Step 4: Simplify right side
    624,603.14x = 457,285,295,384.04
  5. Step 5: Solve for x
    x = 457,285,295,384.04/624,603.14
  6. Step 6: Final answer
    x = 732,121.35

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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.