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Finding the Fourth Proportional to 303,207.60, 454,155.30 and 162,802.20

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Solution

The fourth proportional to 303,207.60, 454,155.30 and 162,802.20 is: 243,851.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,207.60 : 454,155.30 = 162,802.20 : x
  2. Step 2: Convert to fraction form
    303,207.60/454,155.30 = 162,802.20/x
  3. Step 3: Cross multiply
    303,207.60x = 454,155.30 × 162,802.20
  4. Step 4: Simplify right side
    303,207.60x = 73,937,481,981.66
  5. Step 5: Solve for x
    x = 73,937,481,981.66/303,207.60
  6. Step 6: Final answer
    x = 243,851.02

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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.