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Finding the Fourth Proportional to 659,952.32, 910,263.64 and 605,679.36

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Solution

The fourth proportional to 659,952.32, 910,263.64 and 605,679.36 is: 835,405.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,952.32 : 910,263.64 = 605,679.36 : x
  2. Step 2: Convert to fraction form
    659,952.32/910,263.64 = 605,679.36/x
  3. Step 3: Cross multiply
    659,952.32x = 910,263.64 × 605,679.36
  4. Step 4: Simplify right side
    659,952.32x = 551,327,898,906.47
  5. Step 5: Solve for x
    x = 551,327,898,906.47/659,952.32
  6. Step 6: Final answer
    x = 835,405.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.