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Finding the Fourth Proportional to 554,764.68, 832,170.78 and 217,878.39

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Solution

The fourth proportional to 554,764.68, 832,170.78 and 217,878.39 is: 326,826.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,764.68 : 832,170.78 = 217,878.39 : x
  2. Step 2: Convert to fraction form
    554,764.68/832,170.78 = 217,878.39/x
  3. Step 3: Cross multiply
    554,764.68x = 832,170.78 × 217,878.39
  4. Step 4: Simplify right side
    554,764.68x = 181,312,029,751.44
  5. Step 5: Solve for x
    x = 181,312,029,751.44/554,764.68
  6. Step 6: Final answer
    x = 326,826.92

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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.