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Finding the Fourth Proportional to 346,790.64, 520,203.96 and 110,151.84

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Solution

The fourth proportional to 346,790.64, 520,203.96 and 110,151.84 is: 165,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,790.64 : 520,203.96 = 110,151.84 : x
  2. Step 2: Convert to fraction form
    346,790.64/520,203.96 = 110,151.84/x
  3. Step 3: Cross multiply
    346,790.64x = 520,203.96 × 110,151.84
  4. Step 4: Simplify right side
    346,790.64x = 57,301,423,369.29
  5. Step 5: Solve for x
    x = 57,301,423,369.29/346,790.64
  6. Step 6: Final answer
    x = 165,233.48

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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.