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Finding the Fourth Proportional to 292,369.50, 403,477.81 and 177,609.11

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Solution

The fourth proportional to 292,369.50, 403,477.81 and 177,609.11 is: 245,105.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,369.50 : 403,477.81 = 177,609.11 : x
  2. Step 2: Convert to fraction form
    292,369.50/403,477.81 = 177,609.11/x
  3. Step 3: Cross multiply
    292,369.50x = 403,477.81 × 177,609.11
  4. Step 4: Simplify right side
    292,369.50x = 71,661,332,277.44
  5. Step 5: Solve for x
    x = 71,661,332,277.44/292,369.50
  6. Step 6: Final answer
    x = 245,105.36

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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.