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Finding the Fourth Proportional to 621,343.88, 932,027.16 and 194,870.18

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Solution

The fourth proportional to 621,343.88, 932,027.16 and 194,870.18 is: 292,308.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,343.88 : 932,027.16 = 194,870.18 : x
  2. Step 2: Convert to fraction form
    621,343.88/932,027.16 = 194,870.18/x
  3. Step 3: Cross multiply
    621,343.88x = 932,027.16 × 194,870.18
  4. Step 4: Simplify right side
    621,343.88x = 181,624,300,434.09
  5. Step 5: Solve for x
    x = 181,624,300,434.09/621,343.88
  6. Step 6: Final answer
    x = 292,308.83

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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.