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Finding the Fourth Proportional to 607,754.40, 910,319.40 and 529,022.40

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Solution

The fourth proportional to 607,754.40, 910,319.40 and 529,022.40 is: 792,391.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,754.40 : 910,319.40 = 529,022.40 : x
  2. Step 2: Convert to fraction form
    607,754.40/910,319.40 = 529,022.40/x
  3. Step 3: Cross multiply
    607,754.40x = 910,319.40 × 529,022.40
  4. Step 4: Simplify right side
    607,754.40x = 481,579,353,754.56
  5. Step 5: Solve for x
    x = 481,579,353,754.56/607,754.40
  6. Step 6: Final answer
    x = 792,391.39

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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.