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Finding the Fourth Proportional to 374,185.93, 516,400.38 and 213,055.06

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Solution

The fourth proportional to 374,185.93, 516,400.38 and 213,055.06 is: 294,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,185.93 : 516,400.38 = 213,055.06 : x
  2. Step 2: Convert to fraction form
    374,185.93/516,400.38 = 213,055.06/x
  3. Step 3: Cross multiply
    374,185.93x = 516,400.38 × 213,055.06
  4. Step 4: Simplify right side
    374,185.93x = 110,021,713,944.92
  5. Step 5: Solve for x
    x = 110,021,713,944.92/374,185.93
  6. Step 6: Final answer
    x = 294,029.53

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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.