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Finding the Fourth Proportional to 525,872.40, 787,901.40 and 244,813.20

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Solution

The fourth proportional to 525,872.40, 787,901.40 and 244,813.20 is: 366,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,872.40 : 787,901.40 = 244,813.20 : x
  2. Step 2: Convert to fraction form
    525,872.40/787,901.40 = 244,813.20/x
  3. Step 3: Cross multiply
    525,872.40x = 787,901.40 × 244,813.20
  4. Step 4: Simplify right side
    525,872.40x = 192,888,663,018.48
  5. Step 5: Solve for x
    x = 192,888,663,018.48/525,872.40
  6. Step 6: Final answer
    x = 366,797.46

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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.