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Finding the Fourth Proportional to 624,495.78, 935,762.40 and 482,688.18

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Solution

The fourth proportional to 624,495.78, 935,762.40 and 482,688.18 is: 723,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,495.78 : 935,762.40 = 482,688.18 : x
  2. Step 2: Convert to fraction form
    624,495.78/935,762.40 = 482,688.18/x
  3. Step 3: Cross multiply
    624,495.78x = 935,762.40 × 482,688.18
  4. Step 4: Simplify right side
    624,495.78x = 451,681,449,768.43
  5. Step 5: Solve for x
    x = 451,681,449,768.43/624,495.78
  6. Step 6: Final answer
    x = 723,273.82

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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.