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Finding the Fourth Proportional to 594,012.30, 890,690.40 and 194,447.40

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Solution

The fourth proportional to 594,012.30, 890,690.40 and 194,447.40 is: 291,563.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,012.30 : 890,690.40 = 194,447.40 : x
  2. Step 2: Convert to fraction form
    594,012.30/890,690.40 = 194,447.40/x
  3. Step 3: Cross multiply
    594,012.30x = 890,690.40 × 194,447.40
  4. Step 4: Simplify right side
    594,012.30x = 173,192,432,484.96
  5. Step 5: Solve for x
    x = 173,192,432,484.96/594,012.30
  6. Step 6: Final answer
    x = 291,563.71

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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.