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Finding the Fourth Proportional to 319,706.28, 441,192.27 and 176,466.27

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Solution

The fourth proportional to 319,706.28, 441,192.27 and 176,466.27 is: 243,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,706.28 : 441,192.27 = 176,466.27 : x
  2. Step 2: Convert to fraction form
    319,706.28/441,192.27 = 176,466.27/x
  3. Step 3: Cross multiply
    319,706.28x = 441,192.27 × 176,466.27
  4. Step 4: Simplify right side
    319,706.28x = 77,855,554,239.73
  5. Step 5: Solve for x
    x = 77,855,554,239.73/319,706.28
  6. Step 6: Final answer
    x = 243,522.13

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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.