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Finding the Fourth Proportional to 437,050.19, 655,676.70 and 137,522.98

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Solution

The fourth proportional to 437,050.19, 655,676.70 and 137,522.98 is: 206,316.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,050.19 : 655,676.70 = 137,522.98 : x
  2. Step 2: Convert to fraction form
    437,050.19/655,676.70 = 137,522.98/x
  3. Step 3: Cross multiply
    437,050.19x = 655,676.70 × 137,522.98
  4. Step 4: Simplify right side
    437,050.19x = 90,170,613,783.21
  5. Step 5: Solve for x
    x = 90,170,613,783.21/437,050.19
  6. Step 6: Final answer
    x = 206,316.38

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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.