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Finding the Fourth Proportional to 270,264.24, 372,926.52 and 155,499.28

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Solution

The fourth proportional to 270,264.24, 372,926.52 and 155,499.28 is: 214,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,264.24 : 372,926.52 = 155,499.28 : x
  2. Step 2: Convert to fraction form
    270,264.24/372,926.52 = 155,499.28/x
  3. Step 3: Cross multiply
    270,264.24x = 372,926.52 × 155,499.28
  4. Step 4: Simplify right side
    270,264.24x = 57,989,805,352.91
  5. Step 5: Solve for x
    x = 57,989,805,352.91/270,264.24
  6. Step 6: Final answer
    x = 214,567.07

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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.