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Finding the Fourth Proportional to 474,889.87, 655,335.95 and 265,339.47

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Solution

The fourth proportional to 474,889.87, 655,335.95 and 265,339.47 is: 366,161.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,889.87 : 655,335.95 = 265,339.47 : x
  2. Step 2: Convert to fraction form
    474,889.87/655,335.95 = 265,339.47/x
  3. Step 3: Cross multiply
    474,889.87x = 655,335.95 × 265,339.47
  4. Step 4: Simplify right side
    474,889.87x = 173,886,493,678.89
  5. Step 5: Solve for x
    x = 173,886,493,678.89/474,889.87
  6. Step 6: Final answer
    x = 366,161.73

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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.