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Finding the Fourth Proportional to 266,017.96, 399,026.94 and 177,444.46

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Solution

The fourth proportional to 266,017.96, 399,026.94 and 177,444.46 is: 266,166.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,017.96 : 399,026.94 = 177,444.46 : x
  2. Step 2: Convert to fraction form
    266,017.96/399,026.94 = 177,444.46/x
  3. Step 3: Cross multiply
    266,017.96x = 399,026.94 × 177,444.46
  4. Step 4: Simplify right side
    266,017.96x = 70,805,119,893.75
  5. Step 5: Solve for x
    x = 70,805,119,893.75/266,017.96
  6. Step 6: Final answer
    x = 266,166.69

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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.