Home / 346,749.04-520,538.28-206,573.68

Finding the Fourth Proportional to 346,749.04, 520,538.28 and 206,573.68

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Solution

The fourth proportional to 346,749.04, 520,538.28 and 206,573.68 is: 310,107.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,749.04 : 520,538.28 = 206,573.68 : x
  2. Step 2: Convert to fraction form
    346,749.04/520,538.28 = 206,573.68/x
  3. Step 3: Cross multiply
    346,749.04x = 520,538.28 × 206,573.68
  4. Step 4: Simplify right side
    346,749.04x = 107,529,508,080.47
  5. Step 5: Solve for x
    x = 107,529,508,080.47/346,749.04
  6. Step 6: Final answer
    x = 310,107.59

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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.