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Finding the Fourth Proportional to 425,174.96, 637,840.90 and 175,876.40

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Solution

The fourth proportional to 425,174.96, 637,840.90 and 175,876.40 is: 263,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,174.96 : 637,840.90 = 175,876.40 : x
  2. Step 2: Convert to fraction form
    425,174.96/637,840.90 = 175,876.40/x
  3. Step 3: Cross multiply
    425,174.96x = 637,840.90 × 175,876.40
  4. Step 4: Simplify right side
    425,174.96x = 112,181,161,264.76
  5. Step 5: Solve for x
    x = 112,181,161,264.76/425,174.96
  6. Step 6: Final answer
    x = 263,847.06

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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.