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Finding the Fourth Proportional to 601,974.74, 830,721.48 and 330,054.14

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Solution

The fourth proportional to 601,974.74, 830,721.48 and 330,054.14 is: 455,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,974.74 : 830,721.48 = 330,054.14 : x
  2. Step 2: Convert to fraction form
    601,974.74/830,721.48 = 330,054.14/x
  3. Step 3: Cross multiply
    601,974.74x = 830,721.48 × 330,054.14
  4. Step 4: Simplify right side
    601,974.74x = 274,183,063,660.93
  5. Step 5: Solve for x
    x = 274,183,063,660.93/601,974.74
  6. Step 6: Final answer
    x = 455,472.71

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Double scale
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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.