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Finding the Fourth Proportional to 423,185.85, 583,997.18 and 232,200.68

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Solution

The fourth proportional to 423,185.85, 583,997.18 and 232,200.68 is: 320,437.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,185.85 : 583,997.18 = 232,200.68 : x
  2. Step 2: Convert to fraction form
    423,185.85/583,997.18 = 232,200.68/x
  3. Step 3: Cross multiply
    423,185.85x = 583,997.18 × 232,200.68
  4. Step 4: Simplify right side
    423,185.85x = 135,604,538,233.09
  5. Step 5: Solve for x
    x = 135,604,538,233.09/423,185.85
  6. Step 6: Final answer
    x = 320,437.32

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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.