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Finding the Fourth Proportional to 483,008.40, 724,844.78 and 167,465.32

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Solution

The fourth proportional to 483,008.40, 724,844.78 and 167,465.32 is: 251,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,008.40 : 724,844.78 = 167,465.32 : x
  2. Step 2: Convert to fraction form
    483,008.40/724,844.78 = 167,465.32/x
  3. Step 3: Cross multiply
    483,008.40x = 724,844.78 × 167,465.32
  4. Step 4: Simplify right side
    483,008.40x = 121,386,363,033.03
  5. Step 5: Solve for x
    x = 121,386,363,033.03/483,008.40
  6. Step 6: Final answer
    x = 251,313.15

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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.