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Finding the Fourth Proportional to 637,553.93, 879,792.83 and 351,020.48

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Solution

The fourth proportional to 637,553.93, 879,792.83 and 351,020.48 is: 484,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,553.93 : 879,792.83 = 351,020.48 : x
  2. Step 2: Convert to fraction form
    637,553.93/879,792.83 = 351,020.48/x
  3. Step 3: Cross multiply
    637,553.93x = 879,792.83 × 351,020.48
  4. Step 4: Simplify right side
    637,553.93x = 308,825,297,088.19
  5. Step 5: Solve for x
    x = 308,825,297,088.19/637,553.93
  6. Step 6: Final answer
    x = 484,390.86

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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.