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Finding the Fourth Proportional to 534,770.32, 802,156.56 and 219,170.56

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Solution

The fourth proportional to 534,770.32, 802,156.56 and 219,170.56 is: 328,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,770.32 : 802,156.56 = 219,170.56 : x
  2. Step 2: Convert to fraction form
    534,770.32/802,156.56 = 219,170.56/x
  3. Step 3: Cross multiply
    534,770.32x = 802,156.56 × 219,170.56
  4. Step 4: Simplify right side
    534,770.32x = 175,809,102,462.87
  5. Step 5: Solve for x
    x = 175,809,102,462.87/534,770.32
  6. Step 6: Final answer
    x = 328,756.28

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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.