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Finding the Fourth Proportional to 350,465.01, 483,641.28 and 189,320.02

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Solution

The fourth proportional to 350,465.01, 483,641.28 and 189,320.02 is: 261,261.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,465.01 : 483,641.28 = 189,320.02 : x
  2. Step 2: Convert to fraction form
    350,465.01/483,641.28 = 189,320.02/x
  3. Step 3: Cross multiply
    350,465.01x = 483,641.28 × 189,320.02
  4. Step 4: Simplify right side
    350,465.01x = 91,562,976,802.43
  5. Step 5: Solve for x
    x = 91,562,976,802.43/350,465.01
  6. Step 6: Final answer
    x = 261,261.39

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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.