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Finding the Fourth Proportional to 266,048.80, 398,874.80 and 160,845.60

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Solution

The fourth proportional to 266,048.80, 398,874.80 and 160,845.60 is: 241,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,048.80 : 398,874.80 = 160,845.60 : x
  2. Step 2: Convert to fraction form
    266,048.80/398,874.80 = 160,845.60/x
  3. Step 3: Cross multiply
    266,048.80x = 398,874.80 × 160,845.60
  4. Step 4: Simplify right side
    266,048.80x = 64,157,256,530.88
  5. Step 5: Solve for x
    x = 64,157,256,530.88/266,048.80
  6. Step 6: Final answer
    x = 241,148.45

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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.