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Finding the Fourth Proportional to 298,270.69, 411,545.36 and 169,178.30

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Solution

The fourth proportional to 298,270.69, 411,545.36 and 169,178.30 is: 233,427.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,270.69 : 411,545.36 = 169,178.30 : x
  2. Step 2: Convert to fraction form
    298,270.69/411,545.36 = 169,178.30/x
  3. Step 3: Cross multiply
    298,270.69x = 411,545.36 × 169,178.30
  4. Step 4: Simplify right side
    298,270.69x = 69,624,545,649.52
  5. Step 5: Solve for x
    x = 69,624,545,649.52/298,270.69
  6. Step 6: Final answer
    x = 233,427.38

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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.