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Finding the Fourth Proportional to 619,518.48, 929,277.77 and 220,175.01

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Solution

The fourth proportional to 619,518.48, 929,277.77 and 220,175.01 is: 330,262.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,518.48 : 929,277.77 = 220,175.01 : x
  2. Step 2: Convert to fraction form
    619,518.48/929,277.77 = 220,175.01/x
  3. Step 3: Cross multiply
    619,518.48x = 929,277.77 × 220,175.01
  4. Step 4: Simplify right side
    619,518.48x = 204,603,742,302.53
  5. Step 5: Solve for x
    x = 204,603,742,302.53/619,518.48
  6. Step 6: Final answer
    x = 330,262.53

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Similar ratio
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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.