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Finding the Fourth Proportional to 342,428.91, 472,526.24 and 191,496.75

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Solution

The fourth proportional to 342,428.91, 472,526.24 and 191,496.75 is: 264,251.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,428.91 : 472,526.24 = 191,496.75 : x
  2. Step 2: Convert to fraction form
    342,428.91/472,526.24 = 191,496.75/x
  3. Step 3: Cross multiply
    342,428.91x = 472,526.24 × 191,496.75
  4. Step 4: Simplify right side
    342,428.91x = 90,487,238,292.24
  5. Step 5: Solve for x
    x = 90,487,238,292.24/342,428.91
  6. Step 6: Final answer
    x = 264,251.16

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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.