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Finding the Fourth Proportional to 643,597.22, 965,551.89 and 194,291.26

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Solution

The fourth proportional to 643,597.22, 965,551.89 and 194,291.26 is: 291,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,597.22 : 965,551.89 = 194,291.26 : x
  2. Step 2: Convert to fraction form
    643,597.22/965,551.89 = 194,291.26/x
  3. Step 3: Cross multiply
    643,597.22x = 965,551.89 × 194,291.26
  4. Step 4: Simplify right side
    643,597.22x = 187,598,293,303.48
  5. Step 5: Solve for x
    x = 187,598,293,303.48/643,597.22
  6. Step 6: Final answer
    x = 291,484.00

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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.