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Finding the Fourth Proportional to 185,706.30, 278,718.53 and 184,308.45

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Solution

The fourth proportional to 185,706.30, 278,718.53 and 184,308.45 is: 276,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,706.30 : 278,718.53 = 184,308.45 : x
  2. Step 2: Convert to fraction form
    185,706.30/278,718.53 = 184,308.45/x
  3. Step 3: Cross multiply
    185,706.30x = 278,718.53 × 184,308.45
  4. Step 4: Simplify right side
    185,706.30x = 51,370,177,935.44
  5. Step 5: Solve for x
    x = 51,370,177,935.44/185,706.30
  6. Step 6: Final answer
    x = 276,620.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.