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Finding the Fourth Proportional to 610,014.47, 915,136.79 and 231,048.68

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Solution

The fourth proportional to 610,014.47, 915,136.79 and 231,048.68 is: 346,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,014.47 : 915,136.79 = 231,048.68 : x
  2. Step 2: Convert to fraction form
    610,014.47/915,136.79 = 231,048.68/x
  3. Step 3: Cross multiply
    610,014.47x = 915,136.79 × 231,048.68
  4. Step 4: Simplify right side
    610,014.47x = 211,441,141,618.01
  5. Step 5: Solve for x
    x = 211,441,141,618.01/610,014.47
  6. Step 6: Final answer
    x = 346,616.60

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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.