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Finding the Fourth Proportional to 425,294.72, 637,946.96 and 182,103.04

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Solution

The fourth proportional to 425,294.72, 637,946.96 and 182,103.04 is: 273,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,294.72 : 637,946.96 = 182,103.04 : x
  2. Step 2: Convert to fraction form
    425,294.72/637,946.96 = 182,103.04/x
  3. Step 3: Cross multiply
    425,294.72x = 637,946.96 × 182,103.04
  4. Step 4: Simplify right side
    425,294.72x = 116,172,080,774.76
  5. Step 5: Solve for x
    x = 116,172,080,774.76/425,294.72
  6. Step 6: Final answer
    x = 273,156.65

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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.