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Finding the Fourth Proportional to 540,063.18, 810,209.52 and 184,981.86

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Solution

The fourth proportional to 540,063.18, 810,209.52 and 184,981.86 is: 277,512.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,063.18 : 810,209.52 = 184,981.86 : x
  2. Step 2: Convert to fraction form
    540,063.18/810,209.52 = 184,981.86/x
  3. Step 3: Cross multiply
    540,063.18x = 810,209.52 × 184,981.86
  4. Step 4: Simplify right side
    540,063.18x = 149,874,063,999.31
  5. Step 5: Solve for x
    x = 149,874,063,999.31/540,063.18
  6. Step 6: Final answer
    x = 277,512.09

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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.