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Finding the Fourth Proportional to 322,574.64, 445,152.60 and 179,330.16

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Solution

The fourth proportional to 322,574.64, 445,152.60 and 179,330.16 is: 247,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,574.64 : 445,152.60 = 179,330.16 : x
  2. Step 2: Convert to fraction form
    322,574.64/445,152.60 = 179,330.16/x
  3. Step 3: Cross multiply
    322,574.64x = 445,152.60 × 179,330.16
  4. Step 4: Simplify right side
    322,574.64x = 79,829,286,982.42
  5. Step 5: Solve for x
    x = 79,829,286,982.42/322,574.64
  6. Step 6: Final answer
    x = 247,475.40

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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.