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Finding the Fourth Proportional to 551,617.48, 827,473.72 and 152,258.32

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Solution

The fourth proportional to 551,617.48, 827,473.72 and 152,258.32 is: 228,400.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,617.48 : 827,473.72 = 152,258.32 : x
  2. Step 2: Convert to fraction form
    551,617.48/827,473.72 = 152,258.32/x
  3. Step 3: Cross multiply
    551,617.48x = 827,473.72 × 152,258.32
  4. Step 4: Simplify right side
    551,617.48x = 125,989,758,451.35
  5. Step 5: Solve for x
    x = 125,989,758,451.35/551,617.48
  6. Step 6: Final answer
    x = 228,400.59

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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.