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Finding the Fourth Proportional to 633,516.06, 874,252.10 and 347,036.06

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Solution

The fourth proportional to 633,516.06, 874,252.10 and 347,036.06 is: 478,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,516.06 : 874,252.10 = 347,036.06 : x
  2. Step 2: Convert to fraction form
    633,516.06/874,252.10 = 347,036.06/x
  3. Step 3: Cross multiply
    633,516.06x = 874,252.10 × 347,036.06
  4. Step 4: Simplify right side
    633,516.06x = 303,397,004,230.73
  5. Step 5: Solve for x
    x = 303,397,004,230.73/633,516.06
  6. Step 6: Final answer
    x = 478,909.73

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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.