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Finding the Fourth Proportional to 325,362.54, 488,358.76 and 157,001.16

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Solution

The fourth proportional to 325,362.54, 488,358.76 and 157,001.16 is: 235,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,362.54 : 488,358.76 = 157,001.16 : x
  2. Step 2: Convert to fraction form
    325,362.54/488,358.76 = 157,001.16/x
  3. Step 3: Cross multiply
    325,362.54x = 488,358.76 × 157,001.16
  4. Step 4: Simplify right side
    325,362.54x = 76,672,891,816.16
  5. Step 5: Solve for x
    x = 76,672,891,816.16/325,362.54
  6. Step 6: Final answer
    x = 235,653.72

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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.