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Finding the Fourth Proportional to 616,752.54, 925,095.78 and 195,995.70

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Solution

The fourth proportional to 616,752.54, 925,095.78 and 195,995.70 is: 293,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,752.54 : 925,095.78 = 195,995.70 : x
  2. Step 2: Convert to fraction form
    616,752.54/925,095.78 = 195,995.70/x
  3. Step 3: Cross multiply
    616,752.54x = 925,095.78 × 195,995.70
  4. Step 4: Simplify right side
    616,752.54x = 181,314,794,968.15
  5. Step 5: Solve for x
    x = 181,314,794,968.15/616,752.54
  6. Step 6: Final answer
    x = 293,983.05

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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.