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Finding the Fourth Proportional to 265,704.71, 397,001.86 and 256,402.67

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Solution

The fourth proportional to 265,704.71, 397,001.86 and 256,402.67 is: 383,103.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,704.71 : 397,001.86 = 256,402.67 : x
  2. Step 2: Convert to fraction form
    265,704.71/397,001.86 = 256,402.67/x
  3. Step 3: Cross multiply
    265,704.71x = 397,001.86 × 256,402.67
  4. Step 4: Simplify right side
    265,704.71x = 101,792,334,272.95
  5. Step 5: Solve for x
    x = 101,792,334,272.95/265,704.71
  6. Step 6: Final answer
    x = 383,103.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.