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Finding the Fourth Proportional to 603,977.76, 905,966.82 and 177,513.66

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Solution

The fourth proportional to 603,977.76, 905,966.82 and 177,513.66 is: 266,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,977.76 : 905,966.82 = 177,513.66 : x
  2. Step 2: Convert to fraction form
    603,977.76/905,966.82 = 177,513.66/x
  3. Step 3: Cross multiply
    603,977.76x = 905,966.82 × 177,513.66
  4. Step 4: Simplify right side
    603,977.76x = 160,821,486,056.76
  5. Step 5: Solve for x
    x = 160,821,486,056.76/603,977.76
  6. Step 6: Final answer
    x = 266,270.54

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Double scale
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Similar ratio
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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.