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Finding the Fourth Proportional to 363,428.80, 544,106.40 and 223,460.80

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Solution

The fourth proportional to 363,428.80, 544,106.40 and 223,460.80 is: 334,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,428.80 : 544,106.40 = 223,460.80 : x
  2. Step 2: Convert to fraction form
    363,428.80/544,106.40 = 223,460.80/x
  3. Step 3: Cross multiply
    363,428.80x = 544,106.40 × 223,460.80
  4. Step 4: Simplify right side
    363,428.80x = 121,586,451,429.12
  5. Step 5: Solve for x
    x = 121,586,451,429.12/363,428.80
  6. Step 6: Final answer
    x = 334,553.70

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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.