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Finding the Fourth Proportional to 507,772.98, 761,696.22 and 170,812.17

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Solution

The fourth proportional to 507,772.98, 761,696.22 and 170,812.17 is: 256,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,772.98 : 761,696.22 = 170,812.17 : x
  2. Step 2: Convert to fraction form
    507,772.98/761,696.22 = 170,812.17/x
  3. Step 3: Cross multiply
    507,772.98x = 761,696.22 × 170,812.17
  4. Step 4: Simplify right side
    507,772.98x = 130,106,984,219.00
  5. Step 5: Solve for x
    x = 130,106,984,219.00/507,772.98
  6. Step 6: Final answer
    x = 256,230.62

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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.