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Finding the Fourth Proportional to 265,085.77, 394,821.06 and 263,794.07

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Solution

The fourth proportional to 265,085.77, 394,821.06 and 263,794.07 is: 392,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,085.77 : 394,821.06 = 263,794.07 : x
  2. Step 2: Convert to fraction form
    265,085.77/394,821.06 = 263,794.07/x
  3. Step 3: Cross multiply
    265,085.77x = 394,821.06 × 263,794.07
  4. Step 4: Simplify right side
    265,085.77x = 104,151,454,339.11
  5. Step 5: Solve for x
    x = 104,151,454,339.11/265,085.77
  6. Step 6: Final answer
    x = 392,897.19

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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.