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Finding the Fourth Proportional to 372,536.77, 514,086.47 and 211,382.21

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Solution

The fourth proportional to 372,536.77, 514,086.47 and 211,382.21 is: 291,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,536.77 : 514,086.47 = 211,382.21 : x
  2. Step 2: Convert to fraction form
    372,536.77/514,086.47 = 211,382.21/x
  3. Step 3: Cross multiply
    372,536.77x = 514,086.47 × 211,382.21
  4. Step 4: Simplify right side
    372,536.77x = 108,668,732,883.46
  5. Step 5: Solve for x
    x = 108,668,732,883.46/372,536.77
  6. Step 6: Final answer
    x = 291,699.35

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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.