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Finding the Fourth Proportional to 292,722.94, 403,809.67 and 195,930.91

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Solution

The fourth proportional to 292,722.94, 403,809.67 and 195,930.91 is: 270,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,722.94 : 403,809.67 = 195,930.91 : x
  2. Step 2: Convert to fraction form
    292,722.94/403,809.67 = 195,930.91/x
  3. Step 3: Cross multiply
    292,722.94x = 403,809.67 × 195,930.91
  4. Step 4: Simplify right side
    292,722.94x = 79,118,794,610.55
  5. Step 5: Solve for x
    x = 79,118,794,610.55/292,722.94
  6. Step 6: Final answer
    x = 270,285.60

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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.