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Finding the Fourth Proportional to 654,934.70, 982,920.45 and 255,766.70

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Solution

The fourth proportional to 654,934.70, 982,920.45 and 255,766.70 is: 383,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,934.70 : 982,920.45 = 255,766.70 : x
  2. Step 2: Convert to fraction form
    654,934.70/982,920.45 = 255,766.70/x
  3. Step 3: Cross multiply
    654,934.70x = 982,920.45 × 255,766.70
  4. Step 4: Simplify right side
    654,934.70x = 251,398,319,859.02
  5. Step 5: Solve for x
    x = 251,398,319,859.02/654,934.70
  6. Step 6: Final answer
    x = 383,852.50

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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.