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Finding the Fourth Proportional to 289,264.08, 399,224.24 and 174,548.64

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Solution

The fourth proportional to 289,264.08, 399,224.24 and 174,548.64 is: 240,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,264.08 : 399,224.24 = 174,548.64 : x
  2. Step 2: Convert to fraction form
    289,264.08/399,224.24 = 174,548.64/x
  3. Step 3: Cross multiply
    289,264.08x = 399,224.24 × 174,548.64
  4. Step 4: Simplify right side
    289,264.08x = 69,684,048,147.03
  5. Step 5: Solve for x
    x = 69,684,048,147.03/289,264.08
  6. Step 6: Final answer
    x = 240,901.15

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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.