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Finding the Fourth Proportional to 500,603.06, 751,002.60 and 220,119.50

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Solution

The fourth proportional to 500,603.06, 751,002.60 and 220,119.50 is: 330,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,603.06 : 751,002.60 = 220,119.50 : x
  2. Step 2: Convert to fraction form
    500,603.06/751,002.60 = 220,119.50/x
  3. Step 3: Cross multiply
    500,603.06x = 751,002.60 × 220,119.50
  4. Step 4: Simplify right side
    500,603.06x = 165,310,316,810.70
  5. Step 5: Solve for x
    x = 165,310,316,810.70/500,603.06
  6. Step 6: Final answer
    x = 330,222.35

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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.