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Finding the Fourth Proportional to 507,212.99, 760,870.29 and 187,448.91

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Solution

The fourth proportional to 507,212.99, 760,870.29 and 187,448.91 is: 281,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,212.99 : 760,870.29 = 187,448.91 : x
  2. Step 2: Convert to fraction form
    507,212.99/760,870.29 = 187,448.91/x
  3. Step 3: Cross multiply
    507,212.99x = 760,870.29 × 187,448.91
  4. Step 4: Simplify right side
    507,212.99x = 142,624,304,919.90
  5. Step 5: Solve for x
    x = 142,624,304,919.90/507,212.99
  6. Step 6: Final answer
    x = 281,192.14

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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.