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Finding the Fourth Proportional to 383,934.40, 575,901.60 and 184,220.80

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Solution

The fourth proportional to 383,934.40, 575,901.60 and 184,220.80 is: 276,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,934.40 : 575,901.60 = 184,220.80 : x
  2. Step 2: Convert to fraction form
    383,934.40/575,901.60 = 184,220.80/x
  3. Step 3: Cross multiply
    383,934.40x = 575,901.60 × 184,220.80
  4. Step 4: Simplify right side
    383,934.40x = 106,093,053,473.28
  5. Step 5: Solve for x
    x = 106,093,053,473.28/383,934.40
  6. Step 6: Final answer
    x = 276,331.20

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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.