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Finding the Fourth Proportional to 585,890.21, 808,614.70 and 371,050.27

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Solution

The fourth proportional to 585,890.21, 808,614.70 and 371,050.27 is: 512,103.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,890.21 : 808,614.70 = 371,050.27 : x
  2. Step 2: Convert to fraction form
    585,890.21/808,614.70 = 371,050.27/x
  3. Step 3: Cross multiply
    585,890.21x = 808,614.70 × 371,050.27
  4. Step 4: Simplify right side
    585,890.21x = 300,036,699,811.81
  5. Step 5: Solve for x
    x = 300,036,699,811.81/585,890.21
  6. Step 6: Final answer
    x = 512,103.96

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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.