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Finding the Fourth Proportional to 257,893.28, 355,805.52 and 167,362.64

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Solution

The fourth proportional to 257,893.28, 355,805.52 and 167,362.64 is: 230,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,893.28 : 355,805.52 = 167,362.64 : x
  2. Step 2: Convert to fraction form
    257,893.28/355,805.52 = 167,362.64/x
  3. Step 3: Cross multiply
    257,893.28x = 355,805.52 × 167,362.64
  4. Step 4: Simplify right side
    257,893.28x = 59,548,551,153.77
  5. Step 5: Solve for x
    x = 59,548,551,153.77/257,893.28
  6. Step 6: Final answer
    x = 230,903.85

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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.