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Finding the Fourth Proportional to 319,706.83, 441,195.45 and 176,466.91

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Solution

The fourth proportional to 319,706.83, 441,195.45 and 176,466.91 is: 243,524.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,706.83 : 441,195.45 = 176,466.91 : x
  2. Step 2: Convert to fraction form
    319,706.83/441,195.45 = 176,466.91/x
  3. Step 3: Cross multiply
    319,706.83x = 441,195.45 × 176,466.91
  4. Step 4: Simplify right side
    319,706.83x = 77,856,397,767.56
  5. Step 5: Solve for x
    x = 77,856,397,767.56/319,706.83
  6. Step 6: Final answer
    x = 243,524.35

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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.