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Finding the Fourth Proportional to 555,097.19, 766,052.69 and 340,195.73

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Solution

The fourth proportional to 555,097.19, 766,052.69 and 340,195.73 is: 469,481.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,097.19 : 766,052.69 = 340,195.73 : x
  2. Step 2: Convert to fraction form
    555,097.19/766,052.69 = 340,195.73/x
  3. Step 3: Cross multiply
    555,097.19x = 766,052.69 × 340,195.73
  4. Step 4: Simplify right side
    555,097.19x = 260,607,848,561.77
  5. Step 5: Solve for x
    x = 260,607,848,561.77/555,097.19
  6. Step 6: Final answer
    x = 469,481.48

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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.