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Finding the Fourth Proportional to 578,166.89, 867,245.47 and 451,913.33

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Solution

The fourth proportional to 578,166.89, 867,245.47 and 451,913.33 is: 677,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,166.89 : 867,245.47 = 451,913.33 : x
  2. Step 2: Convert to fraction form
    578,166.89/867,245.47 = 451,913.33/x
  3. Step 3: Cross multiply
    578,166.89x = 867,245.47 × 451,913.33
  4. Step 4: Simplify right side
    578,166.89x = 391,919,789,313.45
  5. Step 5: Solve for x
    x = 391,919,789,313.45/578,166.89
  6. Step 6: Final answer
    x = 677,866.20

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1.5x scale

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.