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Finding the Fourth Proportional to 238,064.60, 328,683.04 and 147,516.64

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Solution

The fourth proportional to 238,064.60, 328,683.04 and 147,516.64 is: 203,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,064.60 : 328,683.04 = 147,516.64 : x
  2. Step 2: Convert to fraction form
    238,064.60/328,683.04 = 147,516.64/x
  3. Step 3: Cross multiply
    238,064.60x = 328,683.04 × 147,516.64
  4. Step 4: Simplify right side
    238,064.60x = 48,486,217,685.79
  5. Step 5: Solve for x
    x = 48,486,217,685.79/238,064.60
  6. Step 6: Final answer
    x = 203,668.32

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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.