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Finding the Fourth Proportional to 442,687.48, 610,847.06 and 251,679.76

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Solution

The fourth proportional to 442,687.48, 610,847.06 and 251,679.76 is: 347,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,687.48 : 610,847.06 = 251,679.76 : x
  2. Step 2: Convert to fraction form
    442,687.48/610,847.06 = 251,679.76/x
  3. Step 3: Cross multiply
    442,687.48x = 610,847.06 × 251,679.76
  4. Step 4: Simplify right side
    442,687.48x = 153,737,841,457.51
  5. Step 5: Solve for x
    x = 153,737,841,457.51/442,687.48
  6. Step 6: Final answer
    x = 347,283.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.