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Finding the Fourth Proportional to 342,464.66, 472,575.57 and 191,532.50

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Solution

The fourth proportional to 342,464.66, 472,575.57 and 191,532.50 is: 264,300.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,464.66 : 472,575.57 = 191,532.50 : x
  2. Step 2: Convert to fraction form
    342,464.66/472,575.57 = 191,532.50/x
  3. Step 3: Cross multiply
    342,464.66x = 472,575.57 × 191,532.50
  4. Step 4: Simplify right side
    342,464.66x = 90,513,580,361.03
  5. Step 5: Solve for x
    x = 90,513,580,361.03/342,464.66
  6. Step 6: Final answer
    x = 264,300.50

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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.