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Finding the Fourth Proportional to 338,059.58, 506,352.47 and 169,285.55

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Solution

The fourth proportional to 338,059.58, 506,352.47 and 169,285.55 is: 253,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,059.58 : 506,352.47 = 169,285.55 : x
  2. Step 2: Convert to fraction form
    338,059.58/506,352.47 = 169,285.55/x
  3. Step 3: Cross multiply
    338,059.58x = 506,352.47 × 169,285.55
  4. Step 4: Simplify right side
    338,059.58x = 85,718,152,999.62
  5. Step 5: Solve for x
    x = 85,718,152,999.62/338,059.58
  6. Step 6: Final answer
    x = 253,559.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.