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Finding the Fourth Proportional to 298,046.62, 411,287.71 and 170,730.41

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Solution

The fourth proportional to 298,046.62, 411,287.71 and 170,730.41 is: 235,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,046.62 : 411,287.71 = 170,730.41 : x
  2. Step 2: Convert to fraction form
    298,046.62/411,287.71 = 170,730.41/x
  3. Step 3: Cross multiply
    298,046.62x = 411,287.71 × 170,730.41
  4. Step 4: Simplify right side
    298,046.62x = 70,219,319,356.26
  5. Step 5: Solve for x
    x = 70,219,319,356.26/298,046.62
  6. Step 6: Final answer
    x = 235,598.44

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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.