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Finding the Fourth Proportional to 637,390.89, 879,566.04 and 350,855.01

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Solution

The fourth proportional to 637,390.89, 879,566.04 and 350,855.01 is: 484,161.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,390.89 : 879,566.04 = 350,855.01 : x
  2. Step 2: Convert to fraction form
    637,390.89/879,566.04 = 350,855.01/x
  3. Step 3: Cross multiply
    637,390.89x = 879,566.04 × 350,855.01
  4. Step 4: Simplify right side
    637,390.89x = 308,600,151,759.86
  5. Step 5: Solve for x
    x = 308,600,151,759.86/637,390.89
  6. Step 6: Final answer
    x = 484,161.54

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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.