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Finding the Fourth Proportional to 434,694.51, 652,046.31 and 119,151.45

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Solution

The fourth proportional to 434,694.51, 652,046.31 and 119,151.45 is: 178,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,694.51 : 652,046.31 = 119,151.45 : x
  2. Step 2: Convert to fraction form
    434,694.51/652,046.31 = 119,151.45/x
  3. Step 3: Cross multiply
    434,694.51x = 652,046.31 × 119,151.45
  4. Step 4: Simplify right side
    434,694.51x = 77,692,263,303.65
  5. Step 5: Solve for x
    x = 77,692,263,303.65/434,694.51
  6. Step 6: Final answer
    x = 178,728.42

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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.