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Finding the Fourth Proportional to 326,007.53, 488,666.16 and 109,660.30

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Solution

The fourth proportional to 326,007.53, 488,666.16 and 109,660.30 is: 164,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,007.53 : 488,666.16 = 109,660.30 : x
  2. Step 2: Convert to fraction form
    326,007.53/488,666.16 = 109,660.30/x
  3. Step 3: Cross multiply
    326,007.53x = 488,666.16 × 109,660.30
  4. Step 4: Simplify right side
    326,007.53x = 53,587,277,157.15
  5. Step 5: Solve for x
    x = 53,587,277,157.15/326,007.53
  6. Step 6: Final answer
    x = 164,374.36

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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.