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Finding the Fourth Proportional to 566,707.64, 850,060.62 and 388,674.90

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Solution

The fourth proportional to 566,707.64, 850,060.62 and 388,674.90 is: 583,011.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,707.64 : 850,060.62 = 388,674.90 : x
  2. Step 2: Convert to fraction form
    566,707.64/850,060.62 = 388,674.90/x
  3. Step 3: Cross multiply
    566,707.64x = 850,060.62 × 388,674.90
  4. Step 4: Simplify right side
    566,707.64x = 330,397,226,472.44
  5. Step 5: Solve for x
    x = 330,397,226,472.44/566,707.64
  6. Step 6: Final answer
    x = 583,011.78

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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.