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Finding the Fourth Proportional to 228,340.26, 315,410.76 and 175,280.94

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Solution

The fourth proportional to 228,340.26, 315,410.76 and 175,280.94 is: 242,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,340.26 : 315,410.76 = 175,280.94 : x
  2. Step 2: Convert to fraction form
    228,340.26/315,410.76 = 175,280.94/x
  3. Step 3: Cross multiply
    228,340.26x = 315,410.76 × 175,280.94
  4. Step 4: Simplify right side
    228,340.26x = 55,285,494,498.91
  5. Step 5: Solve for x
    x = 55,285,494,498.91/228,340.26
  6. Step 6: Final answer
    x = 242,118.91

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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.