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Finding the Fourth Proportional to 423,540.84, 584,482.32 and 232,552.56

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Solution

The fourth proportional to 423,540.84, 584,482.32 and 232,552.56 is: 320,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,540.84 : 584,482.32 = 232,552.56 : x
  2. Step 2: Convert to fraction form
    423,540.84/584,482.32 = 232,552.56/x
  3. Step 3: Cross multiply
    423,540.84x = 584,482.32 × 232,552.56
  4. Step 4: Simplify right side
    423,540.84x = 135,922,859,790.74
  5. Step 5: Solve for x
    x = 135,922,859,790.74/423,540.84
  6. Step 6: Final answer
    x = 320,920.32

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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.