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Finding the Fourth Proportional to 637,056.54, 879,138.17 and 350,576.63

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Solution

The fourth proportional to 637,056.54, 879,138.17 and 350,576.63 is: 483,795.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,056.54 : 879,138.17 = 350,576.63 : x
  2. Step 2: Convert to fraction form
    637,056.54/879,138.17 = 350,576.63/x
  3. Step 3: Cross multiply
    637,056.54x = 879,138.17 × 350,576.63
  4. Step 4: Simplify right side
    637,056.54x = 308,205,295,405.82
  5. Step 5: Solve for x
    x = 308,205,295,405.82/637,056.54
  6. Step 6: Final answer
    x = 483,795.83

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1.5x scale

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.