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Finding the Fourth Proportional to 294,152.80, 440,192.40 and 269,269.60

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Solution

The fourth proportional to 294,152.80, 440,192.40 and 269,269.60 is: 402,955.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,152.80 : 440,192.40 = 269,269.60 : x
  2. Step 2: Convert to fraction form
    294,152.80/440,192.40 = 269,269.60/x
  3. Step 3: Cross multiply
    294,152.80x = 440,192.40 × 269,269.60
  4. Step 4: Simplify right side
    294,152.80x = 118,530,431,471.04
  5. Step 5: Solve for x
    x = 118,530,431,471.04/294,152.80
  6. Step 6: Final answer
    x = 402,955.31

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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.