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Finding the Fourth Proportional to 534,509.32, 801,763.26 and 218,966.76

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Solution

The fourth proportional to 534,509.32, 801,763.26 and 218,966.76 is: 328,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,509.32 : 801,763.26 = 218,966.76 : x
  2. Step 2: Convert to fraction form
    534,509.32/801,763.26 = 218,966.76/x
  3. Step 3: Cross multiply
    534,509.32x = 801,763.26 × 218,966.76
  4. Step 4: Simplify right side
    534,509.32x = 175,559,503,329.24
  5. Step 5: Solve for x
    x = 175,559,503,329.24/534,509.32
  6. Step 6: Final answer
    x = 328,449.85

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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.