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Finding the Fourth Proportional to 346,860.67, 520,340.61 and 106,994.83

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Solution

The fourth proportional to 346,860.67, 520,340.61 and 106,994.83 is: 160,507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,860.67 : 520,340.61 = 106,994.83 : x
  2. Step 2: Convert to fraction form
    346,860.67/520,340.61 = 106,994.83/x
  3. Step 3: Cross multiply
    346,860.67x = 520,340.61 × 106,994.83
  4. Step 4: Simplify right side
    346,860.67x = 55,673,755,109.05
  5. Step 5: Solve for x
    x = 55,673,755,109.05/346,860.67
  6. Step 6: Final answer
    x = 160,507.55

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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.