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Finding the Fourth Proportional to 345,976.32, 477,454.32 and 195,044.16

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Solution

The fourth proportional to 345,976.32, 477,454.32 and 195,044.16 is: 269,164.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,976.32 : 477,454.32 = 195,044.16 : x
  2. Step 2: Convert to fraction form
    345,976.32/477,454.32 = 195,044.16/x
  3. Step 3: Cross multiply
    345,976.32x = 477,454.32 × 195,044.16
  4. Step 4: Simplify right side
    345,976.32x = 93,124,676,782.77
  5. Step 5: Solve for x
    x = 93,124,676,782.77/345,976.32
  6. Step 6: Final answer
    x = 269,164.89

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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.