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Finding the Fourth Proportional to 291,792.31, 437,688.50 and 225,329.38

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Solution

The fourth proportional to 291,792.31, 437,688.50 and 225,329.38 is: 337,994.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,792.31 : 437,688.50 = 225,329.38 : x
  2. Step 2: Convert to fraction form
    291,792.31/437,688.50 = 225,329.38/x
  3. Step 3: Cross multiply
    291,792.31x = 437,688.50 × 225,329.38
  4. Step 4: Simplify right side
    291,792.31x = 98,624,076,117.26
  5. Step 5: Solve for x
    x = 98,624,076,117.26/291,792.31
  6. Step 6: Final answer
    x = 337,994.09

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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.