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Finding the Fourth Proportional to 343,054.62, 473,408.31 and 190,091.48

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Solution

The fourth proportional to 343,054.62, 473,408.31 and 190,091.48 is: 262,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,054.62 : 473,408.31 = 190,091.48 : x
  2. Step 2: Convert to fraction form
    343,054.62/473,408.31 = 190,091.48/x
  3. Step 3: Cross multiply
    343,054.62x = 473,408.31 × 190,091.48
  4. Step 4: Simplify right side
    343,054.62x = 89,990,886,292.20
  5. Step 5: Solve for x
    x = 89,990,886,292.20/343,054.62
  6. Step 6: Final answer
    x = 262,322.33

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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.