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Finding the Fourth Proportional to 633,548.52, 874,359.60 and 361,657.32

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Solution

The fourth proportional to 633,548.52, 874,359.60 and 361,657.32 is: 499,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,548.52 : 874,359.60 = 361,657.32 : x
  2. Step 2: Convert to fraction form
    633,548.52/874,359.60 = 361,657.32/x
  3. Step 3: Cross multiply
    633,548.52x = 874,359.60 × 361,657.32
  4. Step 4: Simplify right side
    633,548.52x = 316,218,549,652.27
  5. Step 5: Solve for x
    x = 316,218,549,652.27/633,548.52
  6. Step 6: Final answer
    x = 499,122.86

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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.