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Finding the Fourth Proportional to 342,424.13, 472,546.91 and 191,521.13

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Solution

The fourth proportional to 342,424.13, 472,546.91 and 191,521.13 is: 264,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,424.13 : 472,546.91 = 191,521.13 : x
  2. Step 2: Convert to fraction form
    342,424.13/472,546.91 = 191,521.13/x
  3. Step 3: Cross multiply
    342,424.13x = 472,546.91 × 191,521.13
  4. Step 4: Simplify right side
    342,424.13x = 90,502,716,297.28
  5. Step 5: Solve for x
    x = 90,502,716,297.28/342,424.13
  6. Step 6: Final answer
    x = 264,300.06

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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.