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Finding the Fourth Proportional to 343,308.62, 473,765.82 and 190,346.34

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Solution

The fourth proportional to 343,308.62, 473,765.82 and 190,346.34 is: 262,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,308.62 : 473,765.82 = 190,346.34 : x
  2. Step 2: Convert to fraction form
    343,308.62/473,765.82 = 190,346.34/x
  3. Step 3: Cross multiply
    343,308.62x = 473,765.82 × 190,346.34
  4. Step 4: Simplify right side
    343,308.62x = 90,179,589,854.10
  5. Step 5: Solve for x
    x = 90,179,589,854.10/343,308.62
  6. Step 6: Final answer
    x = 262,677.91

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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.