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Finding the Fourth Proportional to 266,783.34, 400,287.33 and 116,946.30

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Solution

The fourth proportional to 266,783.34, 400,287.33 and 116,946.30 is: 175,468.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,783.34 : 400,287.33 = 116,946.30 : x
  2. Step 2: Convert to fraction form
    266,783.34/400,287.33 = 116,946.30/x
  3. Step 3: Cross multiply
    266,783.34x = 400,287.33 × 116,946.30
  4. Step 4: Simplify right side
    266,783.34x = 46,812,122,180.38
  5. Step 5: Solve for x
    x = 46,812,122,180.38/266,783.34
  6. Step 6: Final answer
    x = 175,468.69

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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.