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Finding the Fourth Proportional to 372,571.92, 514,136.16 and 202,802.40

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Solution

The fourth proportional to 372,571.92, 514,136.16 and 202,802.40 is: 279,860.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,571.92 : 514,136.16 = 202,802.40 : x
  2. Step 2: Convert to fraction form
    372,571.92/514,136.16 = 202,802.40/x
  3. Step 3: Cross multiply
    372,571.92x = 514,136.16 × 202,802.40
  4. Step 4: Simplify right side
    372,571.92x = 104,268,047,174.78
  5. Step 5: Solve for x
    x = 104,268,047,174.78/372,571.92
  6. Step 6: Final answer
    x = 279,860.19

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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.