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Finding the Fourth Proportional to 688,994.01, 950,854.46 and 383,072.85

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Solution

The fourth proportional to 688,994.01, 950,854.46 and 383,072.85 is: 528,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,994.01 : 950,854.46 = 383,072.85 : x
  2. Step 2: Convert to fraction form
    688,994.01/950,854.46 = 383,072.85/x
  3. Step 3: Cross multiply
    688,994.01x = 950,854.46 × 383,072.85
  4. Step 4: Simplify right side
    688,994.01x = 364,246,526,012.05
  5. Step 5: Solve for x
    x = 364,246,526,012.05/688,994.01
  6. Step 6: Final answer
    x = 528,664.29

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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.