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Finding the Fourth Proportional to 332,318.02, 458,600.74 and 189,078.06

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Solution

The fourth proportional to 332,318.02, 458,600.74 and 189,078.06 is: 260,928.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,318.02 : 458,600.74 = 189,078.06 : x
  2. Step 2: Convert to fraction form
    332,318.02/458,600.74 = 189,078.06/x
  3. Step 3: Cross multiply
    332,318.02x = 458,600.74 × 189,078.06
  4. Step 4: Simplify right side
    332,318.02x = 86,711,338,233.76
  5. Step 5: Solve for x
    x = 86,711,338,233.76/332,318.02
  6. Step 6: Final answer
    x = 260,928.79

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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.