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Finding the Fourth Proportional to 461,757.50, 637,331.43 and 270,832.40

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Solution

The fourth proportional to 461,757.50, 637,331.43 and 270,832.40 is: 373,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,757.50 : 637,331.43 = 270,832.40 : x
  2. Step 2: Convert to fraction form
    461,757.50/637,331.43 = 270,832.40/x
  3. Step 3: Cross multiply
    461,757.50x = 637,331.43 × 270,832.40
  4. Step 4: Simplify right side
    461,757.50x = 172,610,000,782.33
  5. Step 5: Solve for x
    x = 172,610,000,782.33/461,757.50
  6. Step 6: Final answer
    x = 373,810.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.