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Finding the Fourth Proportional to 423,538.84, 584,479.56 and 232,550.56

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Solution

The fourth proportional to 423,538.84, 584,479.56 and 232,550.56 is: 320,917.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,538.84 : 584,479.56 = 232,550.56 : x
  2. Step 2: Convert to fraction form
    423,538.84/584,479.56 = 232,550.56/x
  3. Step 3: Cross multiply
    423,538.84x = 584,479.56 × 232,550.56
  4. Step 4: Simplify right side
    423,538.84x = 135,921,048,986.55
  5. Step 5: Solve for x
    x = 135,921,048,986.55/423,538.84
  6. Step 6: Final answer
    x = 320,917.56

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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.