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Finding the Fourth Proportional to 425,273.04, 637,715.16 and 144,714.96

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Solution

The fourth proportional to 425,273.04, 637,715.16 and 144,714.96 is: 217,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,273.04 : 637,715.16 = 144,714.96 : x
  2. Step 2: Convert to fraction form
    425,273.04/637,715.16 = 144,714.96/x
  3. Step 3: Cross multiply
    425,273.04x = 637,715.16 × 144,714.96
  4. Step 4: Simplify right side
    425,273.04x = 92,286,923,870.79
  5. Step 5: Solve for x
    x = 92,286,923,870.79/425,273.04
  6. Step 6: Final answer
    x = 217,006.29

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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.