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Finding the Fourth Proportional to 292,290.89, 438,449.09 and 92,626.00

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Solution

The fourth proportional to 292,290.89, 438,449.09 and 92,626.00 is: 138,943.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,290.89 : 438,449.09 = 92,626.00 : x
  2. Step 2: Convert to fraction form
    292,290.89/438,449.09 = 92,626.00/x
  3. Step 3: Cross multiply
    292,290.89x = 438,449.09 × 92,626.00
  4. Step 4: Simplify right side
    292,290.89x = 40,611,783,851.09
  5. Step 5: Solve for x
    x = 40,611,783,851.09/292,290.89
  6. Step 6: Final answer
    x = 138,943.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.