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Finding the Fourth Proportional to 287,191.52, 395,807.52 and 233,653.76

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Solution

The fourth proportional to 287,191.52, 395,807.52 and 233,653.76 is: 322,021.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,191.52 : 395,807.52 = 233,653.76 : x
  2. Step 2: Convert to fraction form
    287,191.52/395,807.52 = 233,653.76/x
  3. Step 3: Cross multiply
    287,191.52x = 395,807.52 × 233,653.76
  4. Step 4: Simplify right side
    287,191.52x = 92,481,915,284.28
  5. Step 5: Solve for x
    x = 92,481,915,284.28/287,191.52
  6. Step 6: Final answer
    x = 322,021.75

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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.