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Finding the Fourth Proportional to 320,888.58, 442,842.54 and 184,944.66

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Solution

The fourth proportional to 320,888.58, 442,842.54 and 184,944.66 is: 255,233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,888.58 : 442,842.54 = 184,944.66 : x
  2. Step 2: Convert to fraction form
    320,888.58/442,842.54 = 184,944.66/x
  3. Step 3: Cross multiply
    320,888.58x = 442,842.54 × 184,944.66
  4. Step 4: Simplify right side
    320,888.58x = 81,901,362,993.84
  5. Step 5: Solve for x
    x = 81,901,362,993.84/320,888.58
  6. Step 6: Final answer
    x = 255,233.03

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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.