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Finding the Fourth Proportional to 486,051.59, 670,737.24 and 271,187.03

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Solution

The fourth proportional to 486,051.59, 670,737.24 and 271,187.03 is: 374,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,051.59 : 670,737.24 = 271,187.03 : x
  2. Step 2: Convert to fraction form
    486,051.59/670,737.24 = 271,187.03/x
  3. Step 3: Cross multiply
    486,051.59x = 670,737.24 × 271,187.03
  4. Step 4: Simplify right side
    486,051.59x = 181,895,241,702.84
  5. Step 5: Solve for x
    x = 181,895,241,702.84/486,051.59
  6. Step 6: Final answer
    x = 374,230.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.