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Finding the Fourth Proportional to 507,484.69, 761,239.39 and 170,530.22

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Solution

The fourth proportional to 507,484.69, 761,239.39 and 170,530.22 is: 255,799.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,484.69 : 761,239.39 = 170,530.22 : x
  2. Step 2: Convert to fraction form
    507,484.69/761,239.39 = 170,530.22/x
  3. Step 3: Cross multiply
    507,484.69x = 761,239.39 × 170,530.22
  4. Step 4: Simplify right side
    507,484.69x = 129,814,320,649.37
  5. Step 5: Solve for x
    x = 129,814,320,649.37/507,484.69
  6. Step 6: Final answer
    x = 255,799.48

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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.