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Finding the Fourth Proportional to 483,007.40, 724,843.28 and 167,464.32

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Solution

The fourth proportional to 483,007.40, 724,843.28 and 167,464.32 is: 251,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,007.40 : 724,843.28 = 167,464.32 : x
  2. Step 2: Convert to fraction form
    483,007.40/724,843.28 = 167,464.32/x
  3. Step 3: Cross multiply
    483,007.40x = 724,843.28 × 167,464.32
  4. Step 4: Simplify right side
    483,007.40x = 121,385,386,991.77
  5. Step 5: Solve for x
    x = 121,385,386,991.77/483,007.40
  6. Step 6: Final answer
    x = 251,311.65

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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.