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Finding the Fourth Proportional to 452,749.50, 624,796.74 and 251,545.50

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Solution

The fourth proportional to 452,749.50, 624,796.74 and 251,545.50 is: 347,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,749.50 : 624,796.74 = 251,545.50 : x
  2. Step 2: Convert to fraction form
    452,749.50/624,796.74 = 251,545.50/x
  3. Step 3: Cross multiply
    452,749.50x = 624,796.74 × 251,545.50
  4. Step 4: Simplify right side
    452,749.50x = 157,164,808,361.67
  5. Step 5: Solve for x
    x = 157,164,808,361.67/452,749.50
  6. Step 6: Final answer
    x = 347,134.14

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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.