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Finding the Fourth Proportional to 298,048.37, 411,290.10 and 170,732.16

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Solution

The fourth proportional to 298,048.37, 411,290.10 and 170,732.16 is: 235,600.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,048.37 : 411,290.10 = 170,732.16 : x
  2. Step 2: Convert to fraction form
    298,048.37/411,290.10 = 170,732.16/x
  3. Step 3: Cross multiply
    298,048.37x = 411,290.10 × 170,732.16
  4. Step 4: Simplify right side
    298,048.37x = 70,220,447,159.62
  5. Step 5: Solve for x
    x = 70,220,447,159.62/298,048.37
  6. Step 6: Final answer
    x = 235,600.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.