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Finding the Fourth Proportional to 507,350.51, 761,061.28 and 203,744.62

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Solution

The fourth proportional to 507,350.51, 761,061.28 and 203,744.62 is: 305,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,350.51 : 761,061.28 = 203,744.62 : x
  2. Step 2: Convert to fraction form
    507,350.51/761,061.28 = 203,744.62/x
  3. Step 3: Cross multiply
    507,350.51x = 761,061.28 × 203,744.62
  4. Step 4: Simplify right side
    507,350.51x = 155,062,138,878.30
  5. Step 5: Solve for x
    x = 155,062,138,878.30/507,350.51
  6. Step 6: Final answer
    x = 305,631.19

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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.