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Finding the Fourth Proportional to 338,452.55, 466,795.47 and 287,633.50

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Solution

The fourth proportional to 338,452.55, 466,795.47 and 287,633.50 is: 396,705.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,452.55 : 466,795.47 = 287,633.50 : x
  2. Step 2: Convert to fraction form
    338,452.55/466,795.47 = 287,633.50/x
  3. Step 3: Cross multiply
    338,452.55x = 466,795.47 × 287,633.50
  4. Step 4: Simplify right side
    338,452.55x = 134,266,017,357.61
  5. Step 5: Solve for x
    x = 134,266,017,357.61/338,452.55
  6. Step 6: Final answer
    x = 396,705.59

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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.