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Finding the Fourth Proportional to 501,724.60, 752,579.51 and 347,708.77

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Solution

The fourth proportional to 501,724.60, 752,579.51 and 347,708.77 is: 521,558.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,724.60 : 752,579.51 = 347,708.77 : x
  2. Step 2: Convert to fraction form
    501,724.60/752,579.51 = 347,708.77/x
  3. Step 3: Cross multiply
    501,724.60x = 752,579.51 × 347,708.77
  4. Step 4: Simplify right side
    501,724.60x = 261,678,492,129.31
  5. Step 5: Solve for x
    x = 261,678,492,129.31/501,724.60
  6. Step 6: Final answer
    x = 521,558.03

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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.