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Finding the Fourth Proportional to 400,505.79, 552,857.43 and 262,737.24

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Solution

The fourth proportional to 400,505.79, 552,857.43 and 262,737.24 is: 362,681.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,505.79 : 552,857.43 = 262,737.24 : x
  2. Step 2: Convert to fraction form
    400,505.79/552,857.43 = 262,737.24/x
  3. Step 3: Cross multiply
    400,505.79x = 552,857.43 × 262,737.24
  4. Step 4: Simplify right side
    400,505.79x = 145,256,235,271.69
  5. Step 5: Solve for x
    x = 145,256,235,271.69/400,505.79
  6. Step 6: Final answer
    x = 362,681.99

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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.