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Finding the Fourth Proportional to 338,268.51, 507,399.12 and 101,601.09

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Solution

The fourth proportional to 338,268.51, 507,399.12 and 101,601.09 is: 152,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,268.51 : 507,399.12 = 101,601.09 : x
  2. Step 2: Convert to fraction form
    338,268.51/507,399.12 = 101,601.09/x
  3. Step 3: Cross multiply
    338,268.51x = 507,399.12 × 101,601.09
  4. Step 4: Simplify right side
    338,268.51x = 51,552,303,657.04
  5. Step 5: Solve for x
    x = 51,552,303,657.04/338,268.51
  6. Step 6: Final answer
    x = 152,400.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.