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Finding the Fourth Proportional to 353,681.31, 530,527.47 and 196,906.23

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Solution

The fourth proportional to 353,681.31, 530,527.47 and 196,906.23 is: 295,362.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,681.31 : 530,527.47 = 196,906.23 : x
  2. Step 2: Convert to fraction form
    353,681.31/530,527.47 = 196,906.23/x
  3. Step 3: Cross multiply
    353,681.31x = 530,527.47 × 196,906.23
  4. Step 4: Simplify right side
    353,681.31x = 104,464,164,029.14
  5. Step 5: Solve for x
    x = 104,464,164,029.14/353,681.31
  6. Step 6: Final answer
    x = 295,362.41

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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.