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Finding the Fourth Proportional to 578,295.36, 866,777.44 and 223,152.32

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Solution

The fourth proportional to 578,295.36, 866,777.44 and 223,152.32 is: 334,471.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,295.36 : 866,777.44 = 223,152.32 : x
  2. Step 2: Convert to fraction form
    578,295.36/866,777.44 = 223,152.32/x
  3. Step 3: Cross multiply
    578,295.36x = 866,777.44 × 223,152.32
  4. Step 4: Simplify right side
    578,295.36x = 193,423,396,659.66
  5. Step 5: Solve for x
    x = 193,423,396,659.66/578,295.36
  6. Step 6: Final answer
    x = 334,471.64

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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.