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Finding the Fourth Proportional to 557,437.75, 836,281.21 and 178,381.24

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Solution

The fourth proportional to 557,437.75, 836,281.21 and 178,381.24 is: 267,611.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,437.75 : 836,281.21 = 178,381.24 : x
  2. Step 2: Convert to fraction form
    557,437.75/836,281.21 = 178,381.24/x
  3. Step 3: Cross multiply
    557,437.75x = 836,281.21 × 178,381.24
  4. Step 4: Simplify right side
    557,437.75x = 149,176,879,228.50
  5. Step 5: Solve for x
    x = 149,176,879,228.50/557,437.75
  6. Step 6: Final answer
    x = 267,611.73

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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.