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Finding the Fourth Proportional to 372,636.52, 514,072.26 and 251,738.92

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Solution

The fourth proportional to 372,636.52, 514,072.26 and 251,738.92 is: 347,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,636.52 : 514,072.26 = 251,738.92 : x
  2. Step 2: Convert to fraction form
    372,636.52/514,072.26 = 251,738.92/x
  3. Step 3: Cross multiply
    372,636.52x = 514,072.26 × 251,738.92
  4. Step 4: Simplify right side
    372,636.52x = 129,411,995,534.36
  5. Step 5: Solve for x
    x = 129,411,995,534.36/372,636.52
  6. Step 6: Final answer
    x = 347,287.47

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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.