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Finding the Fourth Proportional to 266,943.70, 368,782.30 and 175,280.40

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Solution

The fourth proportional to 266,943.70, 368,782.30 and 175,280.40 is: 242,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,943.70 : 368,782.30 = 175,280.40 : x
  2. Step 2: Convert to fraction form
    266,943.70/368,782.30 = 175,280.40/x
  3. Step 3: Cross multiply
    266,943.70x = 368,782.30 × 175,280.40
  4. Step 4: Simplify right side
    266,943.70x = 64,640,309,056.92
  5. Step 5: Solve for x
    x = 64,640,309,056.92/266,943.70
  6. Step 6: Final answer
    x = 242,149.60

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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.