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Finding the Fourth Proportional to 707,878.66, 1,061,879.15 and 195,543.62

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Solution

The fourth proportional to 707,878.66, 1,061,879.15 and 195,543.62 is: 293,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,878.66 : 1,061,879.15 = 195,543.62 : x
  2. Step 2: Convert to fraction form
    707,878.66/1,061,879.15 = 195,543.62/x
  3. Step 3: Cross multiply
    707,878.66x = 1,061,879.15 × 195,543.62
  4. Step 4: Simplify right side
    707,878.66x = 207,643,686,706.41
  5. Step 5: Solve for x
    x = 207,643,686,706.41/707,878.66
  6. Step 6: Final answer
    x = 293,332.32

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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.