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Finding the Fourth Proportional to 291,880.05, 402,793.81 and 164,554.73

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Solution

The fourth proportional to 291,880.05, 402,793.81 and 164,554.73 is: 227,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,880.05 : 402,793.81 = 164,554.73 : x
  2. Step 2: Convert to fraction form
    291,880.05/402,793.81 = 164,554.73/x
  3. Step 3: Cross multiply
    291,880.05x = 402,793.81 × 164,554.73
  4. Step 4: Simplify right side
    291,880.05x = 66,281,627,245.82
  5. Step 5: Solve for x
    x = 66,281,627,245.82/291,880.05
  6. Step 6: Final answer
    x = 227,085.16

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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.