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Finding the Fourth Proportional to 360,172.70, 497,141.70 and 237,754.44

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Solution

The fourth proportional to 360,172.70, 497,141.70 and 237,754.44 is: 328,169.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,172.70 : 497,141.70 = 237,754.44 : x
  2. Step 2: Convert to fraction form
    360,172.70/497,141.70 = 237,754.44/x
  3. Step 3: Cross multiply
    360,172.70x = 497,141.70 × 237,754.44
  4. Step 4: Simplify right side
    360,172.70x = 118,197,646,929.94
  5. Step 5: Solve for x
    x = 118,197,646,929.94/360,172.70
  6. Step 6: Final answer
    x = 328,169.37

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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.