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Finding the Fourth Proportional to 344,235.56, 474,993.54 and 193,303.40

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Solution

The fourth proportional to 344,235.56, 474,993.54 and 193,303.40 is: 266,729.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,235.56 : 474,993.54 = 193,303.40 : x
  2. Step 2: Convert to fraction form
    344,235.56/474,993.54 = 193,303.40/x
  3. Step 3: Cross multiply
    344,235.56x = 474,993.54 × 193,303.40
  4. Step 4: Simplify right side
    344,235.56x = 91,817,866,260.04
  5. Step 5: Solve for x
    x = 91,817,866,260.04/344,235.56
  6. Step 6: Final answer
    x = 266,729.75

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1.5x scale

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.