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Finding the Fourth Proportional to 365,608.08, 548,016.94 and 152,318.78

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Solution

The fourth proportional to 365,608.08, 548,016.94 and 152,318.78 is: 228,313.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,608.08 : 548,016.94 = 152,318.78 : x
  2. Step 2: Convert to fraction form
    365,608.08/548,016.94 = 152,318.78/x
  3. Step 3: Cross multiply
    365,608.08x = 548,016.94 × 152,318.78
  4. Step 4: Simplify right side
    365,608.08x = 83,473,271,225.51
  5. Step 5: Solve for x
    x = 83,473,271,225.51/365,608.08
  6. Step 6: Final answer
    x = 228,313.53

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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.