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Finding the Fourth Proportional to 408,011.98, 563,108.31 and 246,868.35

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Solution

The fourth proportional to 408,011.98, 563,108.31 and 246,868.35 is: 340,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,011.98 : 563,108.31 = 246,868.35 : x
  2. Step 2: Convert to fraction form
    408,011.98/563,108.31 = 246,868.35/x
  3. Step 3: Cross multiply
    408,011.98x = 563,108.31 × 246,868.35
  4. Step 4: Simplify right side
    408,011.98x = 139,013,619,360.99
  5. Step 5: Solve for x
    x = 139,013,619,360.99/408,011.98
  6. Step 6: Final answer
    x = 340,709.65

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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.