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Finding the Fourth Proportional to 610,589.67, 842,889.03 and 528,591.75

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Solution

The fourth proportional to 610,589.67, 842,889.03 and 528,591.75 is: 729,694.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,589.67 : 842,889.03 = 528,591.75 : x
  2. Step 2: Convert to fraction form
    610,589.67/842,889.03 = 528,591.75/x
  3. Step 3: Cross multiply
    610,589.67x = 842,889.03 × 528,591.75
  4. Step 4: Simplify right side
    610,589.67x = 445,544,187,423.50
  5. Step 5: Solve for x
    x = 445,544,187,423.50/610,589.67
  6. Step 6: Final answer
    x = 729,694.93

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1.5x scale

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.