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Finding the Fourth Proportional to 298,257.48, 411,605.04 and 170,957.10

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Solution

The fourth proportional to 298,257.48, 411,605.04 and 170,957.10 is: 235,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,257.48 : 411,605.04 = 170,957.10 : x
  2. Step 2: Convert to fraction form
    298,257.48/411,605.04 = 170,957.10/x
  3. Step 3: Cross multiply
    298,257.48x = 411,605.04 × 170,957.10
  4. Step 4: Simplify right side
    298,257.48x = 70,366,803,983.78
  5. Step 5: Solve for x
    x = 70,366,803,983.78/298,257.48
  6. Step 6: Final answer
    x = 235,926.37

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1.5x scale

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.