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Finding the Fourth Proportional to 346,777.04, 520,580.28 and 206,601.68

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Solution

The fourth proportional to 346,777.04, 520,580.28 and 206,601.68 is: 310,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,777.04 : 520,580.28 = 206,601.68 : x
  2. Step 2: Convert to fraction form
    346,777.04/520,580.28 = 206,601.68/x
  3. Step 3: Cross multiply
    346,777.04x = 520,580.28 × 206,601.68
  4. Step 4: Simplify right side
    346,777.04x = 107,552,760,422.87
  5. Step 5: Solve for x
    x = 107,552,760,422.87/346,777.04
  6. Step 6: Final answer
    x = 310,149.60

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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.