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Finding the Fourth Proportional to 415,748.70, 573,626.61 and 254,544.93

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Solution

The fourth proportional to 415,748.70, 573,626.61 and 254,544.93 is: 351,206.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,748.70 : 573,626.61 = 254,544.93 : x
  2. Step 2: Convert to fraction form
    415,748.70/573,626.61 = 254,544.93/x
  3. Step 3: Cross multiply
    415,748.70x = 573,626.61 × 254,544.93
  4. Step 4: Simplify right side
    415,748.70x = 146,013,745,288.59
  5. Step 5: Solve for x
    x = 146,013,745,288.59/415,748.70
  6. Step 6: Final answer
    x = 351,206.74

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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.