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Finding the Fourth Proportional to 558,873.50, 771,245.52 and 304,226.60

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Solution

The fourth proportional to 558,873.50, 771,245.52 and 304,226.60 is: 419,832.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,873.50 : 771,245.52 = 304,226.60 : x
  2. Step 2: Convert to fraction form
    558,873.50/771,245.52 = 304,226.60/x
  3. Step 3: Cross multiply
    558,873.50x = 771,245.52 × 304,226.60
  4. Step 4: Simplify right side
    558,873.50x = 234,633,402,314.83
  5. Step 5: Solve for x
    x = 234,633,402,314.83/558,873.50
  6. Step 6: Final answer
    x = 419,832.76

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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.