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Finding the Fourth Proportional to 262,275.44, 392,748.82 and 162,630.25

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Solution

The fourth proportional to 262,275.44, 392,748.82 and 162,630.25 is: 243,533.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,275.44 : 392,748.82 = 162,630.25 : x
  2. Step 2: Convert to fraction form
    262,275.44/392,748.82 = 162,630.25/x
  3. Step 3: Cross multiply
    262,275.44x = 392,748.82 × 162,630.25
  4. Step 4: Simplify right side
    262,275.44x = 63,872,837,395.36
  5. Step 5: Solve for x
    x = 63,872,837,395.36/262,275.44
  6. Step 6: Final answer
    x = 243,533.43

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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.