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Finding the Fourth Proportional to 557,400.20, 836,051.70 and 183,423.20

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Solution

The fourth proportional to 557,400.20, 836,051.70 and 183,423.20 is: 275,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,400.20 : 836,051.70 = 183,423.20 : x
  2. Step 2: Convert to fraction form
    557,400.20/836,051.70 = 183,423.20/x
  3. Step 3: Cross multiply
    557,400.20x = 836,051.70 × 183,423.20
  4. Step 4: Simplify right side
    557,400.20x = 153,351,278,179.44
  5. Step 5: Solve for x
    x = 153,351,278,179.44/557,400.20
  6. Step 6: Final answer
    x = 275,118.81

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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.