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Finding the Fourth Proportional to 347,282.58, 478,979.55 and 232,524.75

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Solution

The fourth proportional to 347,282.58, 478,979.55 and 232,524.75 is: 320,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,282.58 : 478,979.55 = 232,524.75 : x
  2. Step 2: Convert to fraction form
    347,282.58/478,979.55 = 232,524.75/x
  3. Step 3: Cross multiply
    347,282.58x = 478,979.55 × 232,524.75
  4. Step 4: Simplify right side
    347,282.58x = 111,374,600,118.86
  5. Step 5: Solve for x
    x = 111,374,600,118.86/347,282.58
  6. Step 6: Final answer
    x = 320,703.10

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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.