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Finding the Fourth Proportional to 298,767.73, 412,294.16 and 162,802.63

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Solution

The fourth proportional to 298,767.73, 412,294.16 and 162,802.63 is: 224,664.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,767.73 : 412,294.16 = 162,802.63 : x
  2. Step 2: Convert to fraction form
    298,767.73/412,294.16 = 162,802.63/x
  3. Step 3: Cross multiply
    298,767.73x = 412,294.16 × 162,802.63
  4. Step 4: Simplify right side
    298,767.73x = 67,122,572,767.63
  5. Step 5: Solve for x
    x = 67,122,572,767.63/298,767.73
  6. Step 6: Final answer
    x = 224,664.73

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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.