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Finding the Fourth Proportional to 637,063.42, 879,147.66 and 350,583.50

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Solution

The fourth proportional to 637,063.42, 879,147.66 and 350,583.50 is: 483,805.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,063.42 : 879,147.66 = 350,583.50 : x
  2. Step 2: Convert to fraction form
    637,063.42/879,147.66 = 350,583.50/x
  3. Step 3: Cross multiply
    637,063.42x = 879,147.66 × 350,583.50
  4. Step 4: Simplify right side
    637,063.42x = 308,214,663,659.61
  5. Step 5: Solve for x
    x = 308,214,663,659.61/637,063.42
  6. Step 6: Final answer
    x = 483,805.31

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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.