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Finding the Fourth Proportional to 335,988.52, 503,973.56 and 146,448.77

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Solution

The fourth proportional to 335,988.52, 503,973.56 and 146,448.77 is: 219,669.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,988.52 : 503,973.56 = 146,448.77 : x
  2. Step 2: Convert to fraction form
    335,988.52/503,973.56 = 146,448.77/x
  3. Step 3: Cross multiply
    335,988.52x = 503,973.56 × 146,448.77
  4. Step 4: Simplify right side
    335,988.52x = 73,806,305,820.78
  5. Step 5: Solve for x
    x = 73,806,305,820.78/335,988.52
  6. Step 6: Final answer
    x = 219,669.13

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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.