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Finding the Fourth Proportional to 292,810.65, 404,061.92 and 161,980.49

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Solution

The fourth proportional to 292,810.65, 404,061.92 and 161,980.49 is: 223,523.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,810.65 : 404,061.92 = 161,980.49 : x
  2. Step 2: Convert to fraction form
    292,810.65/404,061.92 = 161,980.49/x
  3. Step 3: Cross multiply
    292,810.65x = 404,061.92 × 161,980.49
  4. Step 4: Simplify right side
    292,810.65x = 65,450,145,771.63
  5. Step 5: Solve for x
    x = 65,450,145,771.63/292,810.65
  6. Step 6: Final answer
    x = 223,523.79

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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.