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Finding the Fourth Proportional to 389,707.34, 537,597.99 and 236,704.82

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Solution

The fourth proportional to 389,707.34, 537,597.99 and 236,704.82 is: 326,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,707.34 : 537,597.99 = 236,704.82 : x
  2. Step 2: Convert to fraction form
    389,707.34/537,597.99 = 236,704.82/x
  3. Step 3: Cross multiply
    389,707.34x = 537,597.99 × 236,704.82
  4. Step 4: Simplify right side
    389,707.34x = 127,252,032,767.32
  5. Step 5: Solve for x
    x = 127,252,032,767.32/389,707.34
  6. Step 6: Final answer
    x = 326,532.30

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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.