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Finding the Fourth Proportional to 253,338.60, 349,577.46 and 145,913.16

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Solution

The fourth proportional to 253,338.60, 349,577.46 and 145,913.16 is: 201,342.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,338.60 : 349,577.46 = 145,913.16 : x
  2. Step 2: Convert to fraction form
    253,338.60/349,577.46 = 145,913.16/x
  3. Step 3: Cross multiply
    253,338.60x = 349,577.46 × 145,913.16
  4. Step 4: Simplify right side
    253,338.60x = 51,007,951,853.37
  5. Step 5: Solve for x
    x = 51,007,951,853.37/253,338.60
  6. Step 6: Final answer
    x = 201,342.99

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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.