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Finding the Fourth Proportional to 675,105.03, 931,635.90 and 384,733.89

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Solution

The fourth proportional to 675,105.03, 931,635.90 and 384,733.89 is: 530,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,105.03 : 931,635.90 = 384,733.89 : x
  2. Step 2: Convert to fraction form
    675,105.03/931,635.90 = 384,733.89/x
  3. Step 3: Cross multiply
    675,105.03x = 931,635.90 × 384,733.89
  4. Step 4: Simplify right side
    675,105.03x = 358,431,903,870.65
  5. Step 5: Solve for x
    x = 358,431,903,870.65/675,105.03
  6. Step 6: Final answer
    x = 530,927.62

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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.