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Finding the Fourth Proportional to 318,364.96, 477,444.48 and 105,084.96

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Solution

The fourth proportional to 318,364.96, 477,444.48 and 105,084.96 is: 157,593.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,364.96 : 477,444.48 = 105,084.96 : x
  2. Step 2: Convert to fraction form
    318,364.96/477,444.48 = 105,084.96/x
  3. Step 3: Cross multiply
    318,364.96x = 477,444.48 × 105,084.96
  4. Step 4: Simplify right side
    318,364.96x = 50,172,234,083.02
  5. Step 5: Solve for x
    x = 50,172,234,083.02/318,364.96
  6. Step 6: Final answer
    x = 157,593.46

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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.