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Finding the Fourth Proportional to 262,507.68, 362,261.70 and 147,788.28

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Solution

The fourth proportional to 262,507.68, 362,261.70 and 147,788.28 is: 203,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,507.68 : 362,261.70 = 147,788.28 : x
  2. Step 2: Convert to fraction form
    262,507.68/362,261.70 = 147,788.28/x
  3. Step 3: Cross multiply
    262,507.68x = 362,261.70 × 147,788.28
  4. Step 4: Simplify right side
    262,507.68x = 53,538,033,552.88
  5. Step 5: Solve for x
    x = 53,538,033,552.88/262,507.68
  6. Step 6: Final answer
    x = 203,948.45

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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.