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Finding the Fourth Proportional to 656,054.40, 984,254.40 and 235,286.40

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Solution

The fourth proportional to 656,054.40, 984,254.40 and 235,286.40 is: 352,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,054.40 : 984,254.40 = 235,286.40 : x
  2. Step 2: Convert to fraction form
    656,054.40/984,254.40 = 235,286.40/x
  3. Step 3: Cross multiply
    656,054.40x = 984,254.40 × 235,286.40
  4. Step 4: Simplify right side
    656,054.40x = 231,581,674,460.16
  5. Step 5: Solve for x
    x = 231,581,674,460.16/656,054.40
  6. Step 6: Final answer
    x = 352,991.57

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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.