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Finding the Fourth Proportional to 544,038.77, 816,221.26 and 219,659.89

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Solution

The fourth proportional to 544,038.77, 816,221.26 and 219,659.89 is: 329,555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,038.77 : 816,221.26 = 219,659.89 : x
  2. Step 2: Convert to fraction form
    544,038.77/816,221.26 = 219,659.89/x
  3. Step 3: Cross multiply
    544,038.77x = 816,221.26 × 219,659.89
  4. Step 4: Simplify right side
    544,038.77x = 179,291,068,106.16
  5. Step 5: Solve for x
    x = 179,291,068,106.16/544,038.77
  6. Step 6: Final answer
    x = 329,555.69

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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.