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Finding the Fourth Proportional to 544,219.80, 816,459.30 and 228,514.20

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Solution

The fourth proportional to 544,219.80, 816,459.30 and 228,514.20 is: 342,825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,219.80 : 816,459.30 = 228,514.20 : x
  2. Step 2: Convert to fraction form
    544,219.80/816,459.30 = 228,514.20/x
  3. Step 3: Cross multiply
    544,219.80x = 816,459.30 × 228,514.20
  4. Step 4: Simplify right side
    544,219.80x = 186,572,543,772.06
  5. Step 5: Solve for x
    x = 186,572,543,772.06/544,219.80
  6. Step 6: Final answer
    x = 342,825.72

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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.