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Finding the Fourth Proportional to 654,953.80, 982,236.30 and 255,364.60

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Solution

The fourth proportional to 654,953.80, 982,236.30 and 255,364.60 is: 382,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,953.80 : 982,236.30 = 255,364.60 : x
  2. Step 2: Convert to fraction form
    654,953.80/982,236.30 = 255,364.60/x
  3. Step 3: Cross multiply
    654,953.80x = 982,236.30 × 255,364.60
  4. Step 4: Simplify right side
    654,953.80x = 250,828,379,854.98
  5. Step 5: Solve for x
    x = 250,828,379,854.98/654,953.80
  6. Step 6: Final answer
    x = 382,971.10

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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.