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Finding the Fourth Proportional to 370,733.86, 555,614.64 and 210,883.30

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Solution

The fourth proportional to 370,733.86, 555,614.64 and 210,883.30 is: 316,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,733.86 : 555,614.64 = 210,883.30 : x
  2. Step 2: Convert to fraction form
    370,733.86/555,614.64 = 210,883.30/x
  3. Step 3: Cross multiply
    370,733.86x = 555,614.64 × 210,883.30
  4. Step 4: Simplify right side
    370,733.86x = 117,169,847,422.48
  5. Step 5: Solve for x
    x = 117,169,847,422.48/370,733.86
  6. Step 6: Final answer
    x = 316,048.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.