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Finding the Fourth Proportional to 262,369.28, 362,186.88 and 177,743.36

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Solution

The fourth proportional to 262,369.28, 362,186.88 and 177,743.36 is: 245,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,369.28 : 362,186.88 = 177,743.36 : x
  2. Step 2: Convert to fraction form
    262,369.28/362,186.88 = 177,743.36/x
  3. Step 3: Cross multiply
    262,369.28x = 362,186.88 × 177,743.36
  4. Step 4: Simplify right side
    262,369.28x = 64,376,312,999.12
  5. Step 5: Solve for x
    x = 64,376,312,999.12/262,369.28
  6. Step 6: Final answer
    x = 245,365.28

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1.5x scale

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.