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Finding the Fourth Proportional to 519,823.69, 779,734.99 and 195,672.33

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Solution

The fourth proportional to 519,823.69, 779,734.99 and 195,672.33 is: 293,508.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,823.69 : 779,734.99 = 195,672.33 : x
  2. Step 2: Convert to fraction form
    519,823.69/779,734.99 = 195,672.33/x
  3. Step 3: Cross multiply
    519,823.69x = 779,734.99 × 195,672.33
  4. Step 4: Simplify right side
    519,823.69x = 152,572,562,275.83
  5. Step 5: Solve for x
    x = 152,572,562,275.83/519,823.69
  6. Step 6: Final answer
    x = 293,508.29

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Double scale
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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.