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Finding the Fourth Proportional to 228,452.66, 315,430.98 and 183,378.60

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Solution

The fourth proportional to 228,452.66, 315,430.98 and 183,378.60 is: 253,195.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,452.66 : 315,430.98 = 183,378.60 : x
  2. Step 2: Convert to fraction form
    228,452.66/315,430.98 = 183,378.60/x
  3. Step 3: Cross multiply
    228,452.66x = 315,430.98 × 183,378.60
  4. Step 4: Simplify right side
    228,452.66x = 57,843,291,509.03
  5. Step 5: Solve for x
    x = 57,843,291,509.03/228,452.66
  6. Step 6: Final answer
    x = 253,195.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.