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Finding the Fourth Proportional to 637,816.80, 955,544.40 and 371,704.80

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Solution

The fourth proportional to 637,816.80, 955,544.40 and 371,704.80 is: 556,869.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,816.80 : 955,544.40 = 371,704.80 : x
  2. Step 2: Convert to fraction form
    637,816.80/955,544.40 = 371,704.80/x
  3. Step 3: Cross multiply
    637,816.80x = 955,544.40 × 371,704.80
  4. Step 4: Simplify right side
    637,816.80x = 355,180,440,093.12
  5. Step 5: Solve for x
    x = 355,180,440,093.12/637,816.80
  6. Step 6: Final answer
    x = 556,869.06

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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.