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Finding the Fourth Proportional to 557,890.72, 836,947.44 and 291,771.04

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Solution

The fourth proportional to 557,890.72, 836,947.44 and 291,771.04 is: 437,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,890.72 : 836,947.44 = 291,771.04 : x
  2. Step 2: Convert to fraction form
    557,890.72/836,947.44 = 291,771.04/x
  3. Step 3: Cross multiply
    557,890.72x = 836,947.44 × 291,771.04
  4. Step 4: Simplify right side
    557,890.72x = 244,197,024,994.14
  5. Step 5: Solve for x
    x = 244,197,024,994.14/557,890.72
  6. Step 6: Final answer
    x = 437,714.80

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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.