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Finding the Fourth Proportional to 303,762.10, 454,987.05 and 163,356.70

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Solution

The fourth proportional to 303,762.10, 454,987.05 and 163,356.70 is: 244,682.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,762.10 : 454,987.05 = 163,356.70 : x
  2. Step 2: Convert to fraction form
    303,762.10/454,987.05 = 163,356.70/x
  3. Step 3: Cross multiply
    303,762.10x = 454,987.05 × 163,356.70
  4. Step 4: Simplify right side
    303,762.10x = 74,325,183,030.74
  5. Step 5: Solve for x
    x = 74,325,183,030.74/303,762.10
  6. Step 6: Final answer
    x = 244,682.21

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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.