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Finding the Fourth Proportional to 228,354.76, 315,430.77 and 175,295.44

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Solution

The fourth proportional to 228,354.76, 315,430.77 and 175,295.44 is: 242,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,354.76 : 315,430.77 = 175,295.44 : x
  2. Step 2: Convert to fraction form
    228,354.76/315,430.77 = 175,295.44/x
  3. Step 3: Cross multiply
    228,354.76x = 315,430.77 × 175,295.44
  4. Step 4: Simplify right side
    228,354.76x = 55,293,575,616.69
  5. Step 5: Solve for x
    x = 55,293,575,616.69/228,354.76
  6. Step 6: Final answer
    x = 242,138.92

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1.5x scale

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.