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Finding the Fourth Proportional to 621,864.64, 932,959.85 and 195,383.23

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Solution

The fourth proportional to 621,864.64, 932,959.85 and 195,383.23 is: 293,126.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,864.64 : 932,959.85 = 195,383.23 : x
  2. Step 2: Convert to fraction form
    621,864.64/932,959.85 = 195,383.23/x
  3. Step 3: Cross multiply
    621,864.64x = 932,959.85 × 195,383.23
  4. Step 4: Simplify right side
    621,864.64x = 182,284,708,953.32
  5. Step 5: Solve for x
    x = 182,284,708,953.32/621,864.64
  6. Step 6: Final answer
    x = 293,126.02

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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.