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Finding the Fourth Proportional to 629,800.90, 944,096.55 and 208,860.10

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Solution

The fourth proportional to 629,800.90, 944,096.55 and 208,860.10 is: 313,089.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,800.90 : 944,096.55 = 208,860.10 : x
  2. Step 2: Convert to fraction form
    629,800.90/944,096.55 = 208,860.10/x
  3. Step 3: Cross multiply
    629,800.90x = 944,096.55 × 208,860.10
  4. Step 4: Simplify right side
    629,800.90x = 197,184,099,842.66
  5. Step 5: Solve for x
    x = 197,184,099,842.66/629,800.90
  6. Step 6: Final answer
    x = 313,089.58

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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.