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Finding the Fourth Proportional to 607,772.40, 910,346.40 and 529,040.40

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Solution

The fourth proportional to 607,772.40, 910,346.40 and 529,040.40 is: 792,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,772.40 : 910,346.40 = 529,040.40 : x
  2. Step 2: Convert to fraction form
    607,772.40/910,346.40 = 529,040.40/x
  3. Step 3: Cross multiply
    607,772.40x = 910,346.40 × 529,040.40
  4. Step 4: Simplify right side
    607,772.40x = 481,610,023,594.56
  5. Step 5: Solve for x
    x = 481,610,023,594.56/607,772.40
  6. Step 6: Final answer
    x = 792,418.38

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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.