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Finding the Fourth Proportional to 359,953.02, 539,595.69 and 135,462.33

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Solution

The fourth proportional to 359,953.02, 539,595.69 and 135,462.33 is: 203,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,953.02 : 539,595.69 = 135,462.33 : x
  2. Step 2: Convert to fraction form
    359,953.02/539,595.69 = 135,462.33/x
  3. Step 3: Cross multiply
    359,953.02x = 539,595.69 × 135,462.33
  4. Step 4: Simplify right side
    359,953.02x = 73,094,889,425.36
  5. Step 5: Solve for x
    x = 73,094,889,425.36/359,953.02
  6. Step 6: Final answer
    x = 203,067.86

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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.