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Finding the Fourth Proportional to 350,507.66, 483,700.71 and 189,362.41

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Solution

The fourth proportional to 350,507.66, 483,700.71 and 189,362.41 is: 261,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,507.66 : 483,700.71 = 189,362.41 : x
  2. Step 2: Convert to fraction form
    350,507.66/483,700.71 = 189,362.41/x
  3. Step 3: Cross multiply
    350,507.66x = 483,700.71 × 189,362.41
  4. Step 4: Simplify right side
    350,507.66x = 91,594,731,665.17
  5. Step 5: Solve for x
    x = 91,594,731,665.17/350,507.66
  6. Step 6: Final answer
    x = 261,320.20

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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.