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Finding the Fourth Proportional to 566,884.24, 782,290.86 and 312,259.12

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Solution

The fourth proportional to 566,884.24, 782,290.86 and 312,259.12 is: 430,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,884.24 : 782,290.86 = 312,259.12 : x
  2. Step 2: Convert to fraction form
    566,884.24/782,290.86 = 312,259.12/x
  3. Step 3: Cross multiply
    566,884.24x = 782,290.86 × 312,259.12
  4. Step 4: Simplify right side
    566,884.24x = 244,277,455,527.64
  5. Step 5: Solve for x
    x = 244,277,455,527.64/566,884.24
  6. Step 6: Final answer
    x = 430,912.41

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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.