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Finding the Fourth Proportional to 504,524.80, 696,212.48 and 278,172.16

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Solution

The fourth proportional to 504,524.80, 696,212.48 and 278,172.16 is: 383,860.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,524.80 : 696,212.48 = 278,172.16 : x
  2. Step 2: Convert to fraction form
    504,524.80/696,212.48 = 278,172.16/x
  3. Step 3: Cross multiply
    504,524.80x = 696,212.48 × 278,172.16
  4. Step 4: Simplify right side
    504,524.80x = 193,666,929,380.56
  5. Step 5: Solve for x
    x = 193,666,929,380.56/504,524.80
  6. Step 6: Final answer
    x = 383,860.08

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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.