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Finding the Fourth Proportional to 629,602.10, 944,633.55 and 255,662.90

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Solution

The fourth proportional to 629,602.10, 944,633.55 and 255,662.90 is: 383,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,602.10 : 944,633.55 = 255,662.90 : x
  2. Step 2: Convert to fraction form
    629,602.10/944,633.55 = 255,662.90/x
  3. Step 3: Cross multiply
    629,602.10x = 944,633.55 × 255,662.90
  4. Step 4: Simplify right side
    629,602.10x = 241,507,752,830.30
  5. Step 5: Solve for x
    x = 241,507,752,830.30/629,602.10
  6. Step 6: Final answer
    x = 383,587.91

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1.5x scale

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.