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Finding the Fourth Proportional to 326,553.52, 450,643.64 and 183,313.84

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Solution

The fourth proportional to 326,553.52, 450,643.64 and 183,313.84 is: 252,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,553.52 : 450,643.64 = 183,313.84 : x
  2. Step 2: Convert to fraction form
    326,553.52/450,643.64 = 183,313.84/x
  3. Step 3: Cross multiply
    326,553.52x = 450,643.64 × 183,313.84
  4. Step 4: Simplify right side
    326,553.52x = 82,609,216,119.98
  5. Step 5: Solve for x
    x = 82,609,216,119.98/326,553.52
  6. Step 6: Final answer
    x = 252,972.98

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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.