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Finding the Fourth Proportional to 507,532.69, 761,239.75 and 203,914.56

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Solution

The fourth proportional to 507,532.69, 761,239.75 and 203,914.56 is: 305,848.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,532.69 : 761,239.75 = 203,914.56 : x
  2. Step 2: Convert to fraction form
    507,532.69/761,239.75 = 203,914.56/x
  3. Step 3: Cross multiply
    507,532.69x = 761,239.75 × 203,914.56
  4. Step 4: Simplify right side
    507,532.69x = 155,227,868,675.76
  5. Step 5: Solve for x
    x = 155,227,868,675.76/507,532.69
  6. Step 6: Final answer
    x = 305,848.02

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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.