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Finding the Fourth Proportional to 350,465.68, 483,642.30 and 189,320.68

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Solution

The fourth proportional to 350,465.68, 483,642.30 and 189,320.68 is: 261,262.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,465.68 : 483,642.30 = 189,320.68 : x
  2. Step 2: Convert to fraction form
    350,465.68/483,642.30 = 189,320.68/x
  3. Step 3: Cross multiply
    350,465.68x = 483,642.30 × 189,320.68
  4. Step 4: Simplify right side
    350,465.68x = 91,563,489,112.76
  5. Step 5: Solve for x
    x = 91,563,489,112.76/350,465.68
  6. Step 6: Final answer
    x = 261,262.36

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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.