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Finding the Fourth Proportional to 563,467.74, 777,550.23 and 308,800.86

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Solution

The fourth proportional to 563,467.74, 777,550.23 and 308,800.86 is: 426,125.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,467.74 : 777,550.23 = 308,800.86 : x
  2. Step 2: Convert to fraction form
    563,467.74/777,550.23 = 308,800.86/x
  3. Step 3: Cross multiply
    563,467.74x = 777,550.23 × 308,800.86
  4. Step 4: Simplify right side
    563,467.74x = 240,108,179,717.20
  5. Step 5: Solve for x
    x = 240,108,179,717.20/563,467.74
  6. Step 6: Final answer
    x = 426,125.87

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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.