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Finding the Fourth Proportional to 633,795.94, 874,639.01 and 347,316.66

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Solution

The fourth proportional to 633,795.94, 874,639.01 and 347,316.66 is: 479,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,795.94 : 874,639.01 = 347,316.66 : x
  2. Step 2: Convert to fraction form
    633,795.94/874,639.01 = 347,316.66/x
  3. Step 3: Cross multiply
    633,795.94x = 874,639.01 × 347,316.66
  4. Step 4: Simplify right side
    633,795.94x = 303,776,700,527.20
  5. Step 5: Solve for x
    x = 303,776,700,527.20/633,795.94
  6. Step 6: Final answer
    x = 479,297.33

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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.