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Finding the Fourth Proportional to 333,436.12, 499,080.24 and 219,677.84

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Solution

The fourth proportional to 333,436.12, 499,080.24 and 219,677.84 is: 328,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,436.12 : 499,080.24 = 219,677.84 : x
  2. Step 2: Convert to fraction form
    333,436.12/499,080.24 = 219,677.84/x
  3. Step 3: Cross multiply
    333,436.12x = 499,080.24 × 219,677.84
  4. Step 4: Simplify right side
    333,436.12x = 109,636,869,109.88
  5. Step 5: Solve for x
    x = 109,636,869,109.88/333,436.12
  6. Step 6: Final answer
    x = 328,809.22

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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.