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Finding the Fourth Proportional to 544,866.40, 815,744.40 and 529,314.40

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Solution

The fourth proportional to 544,866.40, 815,744.40 and 529,314.40 is: 792,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,866.40 : 815,744.40 = 529,314.40 : x
  2. Step 2: Convert to fraction form
    544,866.40/815,744.40 = 529,314.40/x
  3. Step 3: Cross multiply
    544,866.40x = 815,744.40 × 529,314.40
  4. Step 4: Simplify right side
    544,866.40x = 431,785,257,639.36
  5. Step 5: Solve for x
    x = 431,785,257,639.36/544,866.40
  6. Step 6: Final answer
    x = 792,460.79

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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.