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Finding the Fourth Proportional to 352,599.80, 486,588.30 and 191,455.16

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Solution

The fourth proportional to 352,599.80, 486,588.30 and 191,455.16 is: 264,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,599.80 : 486,588.30 = 191,455.16 : x
  2. Step 2: Convert to fraction form
    352,599.80/486,588.30 = 191,455.16/x
  3. Step 3: Cross multiply
    352,599.80x = 486,588.30 × 191,455.16
  4. Step 4: Simplify right side
    352,599.80x = 93,159,840,830.63
  5. Step 5: Solve for x
    x = 93,159,840,830.63/352,599.80
  6. Step 6: Final answer
    x = 264,208.43

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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.