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Finding the Fourth Proportional to 266,064.30, 399,096.45 and 177,029.10

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Solution

The fourth proportional to 266,064.30, 399,096.45 and 177,029.10 is: 265,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,064.30 : 399,096.45 = 177,029.10 : x
  2. Step 2: Convert to fraction form
    266,064.30/399,096.45 = 177,029.10/x
  3. Step 3: Cross multiply
    266,064.30x = 399,096.45 × 177,029.10
  4. Step 4: Simplify right side
    266,064.30x = 70,651,685,356.70
  5. Step 5: Solve for x
    x = 70,651,685,356.70/266,064.30
  6. Step 6: Final answer
    x = 265,543.65

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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.