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Finding the Fourth Proportional to 443,889.42, 612,573.51 and 262,596.69

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Solution

The fourth proportional to 443,889.42, 612,573.51 and 262,596.69 is: 362,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,889.42 : 612,573.51 = 262,596.69 : x
  2. Step 2: Convert to fraction form
    443,889.42/612,573.51 = 262,596.69/x
  3. Step 3: Cross multiply
    443,889.42x = 612,573.51 × 262,596.69
  4. Step 4: Simplify right side
    443,889.42x = 160,859,776,107.68
  5. Step 5: Solve for x
    x = 160,859,776,107.68/443,889.42
  6. Step 6: Final answer
    x = 362,387.05

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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.