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Finding the Fourth Proportional to 338,605.24, 466,211.28 and 287,510.44

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Solution

The fourth proportional to 338,605.24, 466,211.28 and 287,510.44 is: 395,861.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,605.24 : 466,211.28 = 287,510.44 : x
  2. Step 2: Convert to fraction form
    338,605.24/466,211.28 = 287,510.44/x
  3. Step 3: Cross multiply
    338,605.24x = 466,211.28 × 287,510.44
  4. Step 4: Simplify right side
    338,605.24x = 134,040,610,245.76
  5. Step 5: Solve for x
    x = 134,040,610,245.76/338,605.24
  6. Step 6: Final answer
    x = 395,861.00

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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.