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Finding the Fourth Proportional to 352,281.63, 486,134.46 and 191,130.51

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Solution

The fourth proportional to 352,281.63, 486,134.46 and 191,130.51 is: 263,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,281.63 : 486,134.46 = 191,130.51 : x
  2. Step 2: Convert to fraction form
    352,281.63/486,134.46 = 191,130.51/x
  3. Step 3: Cross multiply
    352,281.63x = 486,134.46 × 191,130.51
  4. Step 4: Simplify right side
    352,281.63x = 92,915,124,837.70
  5. Step 5: Solve for x
    x = 92,915,124,837.70/352,281.63
  6. Step 6: Final answer
    x = 263,752.40

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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.