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Finding the Fourth Proportional to 346,884.70, 520,067.85 and 189,291.10

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Solution

The fourth proportional to 346,884.70, 520,067.85 and 189,291.10 is: 283,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,884.70 : 520,067.85 = 189,291.10 : x
  2. Step 2: Convert to fraction form
    346,884.70/520,067.85 = 189,291.10/x
  3. Step 3: Cross multiply
    346,884.70x = 520,067.85 × 189,291.10
  4. Step 4: Simplify right side
    346,884.70x = 98,444,215,401.14
  5. Step 5: Solve for x
    x = 98,444,215,401.14/346,884.70
  6. Step 6: Final answer
    x = 283,795.21

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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.