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Finding the Fourth Proportional to 313,793.84, 433,098.52 and 186,444.96

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Solution

The fourth proportional to 313,793.84, 433,098.52 and 186,444.96 is: 257,331.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,793.84 : 433,098.52 = 186,444.96 : x
  2. Step 2: Convert to fraction form
    313,793.84/433,098.52 = 186,444.96/x
  3. Step 3: Cross multiply
    313,793.84x = 433,098.52 × 186,444.96
  4. Step 4: Simplify right side
    313,793.84x = 80,749,036,237.46
  5. Step 5: Solve for x
    x = 80,749,036,237.46/313,793.84
  6. Step 6: Final answer
    x = 257,331.49

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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.