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Finding the Fourth Proportional to 356,608.36, 531,724.37 and 346,810.60

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Solution

The fourth proportional to 356,608.36, 531,724.37 and 346,810.60 is: 517,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,608.36 : 531,724.37 = 346,810.60 : x
  2. Step 2: Convert to fraction form
    356,608.36/531,724.37 = 346,810.60/x
  3. Step 3: Cross multiply
    356,608.36x = 531,724.37 × 346,810.60
  4. Step 4: Simplify right side
    356,608.36x = 184,407,647,794.32
  5. Step 5: Solve for x
    x = 184,407,647,794.32/356,608.36
  6. Step 6: Final answer
    x = 517,115.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.