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Finding the Fourth Proportional to 333,976.32, 458,065.44 and 315,901.44

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Solution

The fourth proportional to 333,976.32, 458,065.44 and 315,901.44 is: 433,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,976.32 : 458,065.44 = 315,901.44 : x
  2. Step 2: Convert to fraction form
    333,976.32/458,065.44 = 315,901.44/x
  3. Step 3: Cross multiply
    333,976.32x = 458,065.44 × 315,901.44
  4. Step 4: Simplify right side
    333,976.32x = 144,703,532,110.23
  5. Step 5: Solve for x
    x = 144,703,532,110.23/333,976.32
  6. Step 6: Final answer
    x = 433,274.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.