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Finding the Fourth Proportional to 566,992.96, 782,450.88 and 312,344.32

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Solution

The fourth proportional to 566,992.96, 782,450.88 and 312,344.32 is: 431,035.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,992.96 : 782,450.88 = 312,344.32 : x
  2. Step 2: Convert to fraction form
    566,992.96/782,450.88 = 312,344.32/x
  3. Step 3: Cross multiply
    566,992.96x = 782,450.88 × 312,344.32
  4. Step 4: Simplify right side
    566,992.96x = 244,394,088,047.00
  5. Step 5: Solve for x
    x = 244,394,088,047.00/566,992.96
  6. Step 6: Final answer
    x = 431,035.49

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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.