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Finding the Fourth Proportional to 297,645.35, 410,593.12 and 188,557.25

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Solution

The fourth proportional to 297,645.35, 410,593.12 and 188,557.25 is: 260,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,645.35 : 410,593.12 = 188,557.25 : x
  2. Step 2: Convert to fraction form
    297,645.35/410,593.12 = 188,557.25/x
  3. Step 3: Cross multiply
    297,645.35x = 410,593.12 × 188,557.25
  4. Step 4: Simplify right side
    297,645.35x = 77,420,307,051.76
  5. Step 5: Solve for x
    x = 77,420,307,051.76/297,645.35
  6. Step 6: Final answer
    x = 260,109.25

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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.