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Finding the Fourth Proportional to 634,032.95, 874,965.50 and 347,546.88

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Solution

The fourth proportional to 634,032.95, 874,965.50 and 347,546.88 is: 479,614.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,032.95 : 874,965.50 = 347,546.88 : x
  2. Step 2: Convert to fraction form
    634,032.95/874,965.50 = 347,546.88/x
  3. Step 3: Cross multiply
    634,032.95x = 874,965.50 × 347,546.88
  4. Step 4: Simplify right side
    634,032.95x = 304,091,527,894.91
  5. Step 5: Solve for x
    x = 304,091,527,894.91/634,032.95
  6. Step 6: Final answer
    x = 479,614.71

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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.