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Finding the Fourth Proportional to 320,801.58, 442,656.60 and 184,808.88

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Solution

The fourth proportional to 320,801.58, 442,656.60 and 184,808.88 is: 255,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,801.58 : 442,656.60 = 184,808.88 : x
  2. Step 2: Convert to fraction form
    320,801.58/442,656.60 = 184,808.88/x
  3. Step 3: Cross multiply
    320,801.58x = 442,656.60 × 184,808.88
  4. Step 4: Simplify right side
    320,801.58x = 81,806,870,470.61
  5. Step 5: Solve for x
    x = 81,806,870,470.61/320,801.58
  6. Step 6: Final answer
    x = 255,007.69

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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.