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Finding the Fourth Proportional to 374,473.79, 516,777.27 and 213,326.45

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Solution

The fourth proportional to 374,473.79, 516,777.27 and 213,326.45 is: 294,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,473.79 : 516,777.27 = 213,326.45 : x
  2. Step 2: Convert to fraction form
    374,473.79/516,777.27 = 213,326.45/x
  3. Step 3: Cross multiply
    374,473.79x = 516,777.27 × 213,326.45
  4. Step 4: Simplify right side
    374,473.79x = 110,242,260,449.79
  5. Step 5: Solve for x
    x = 110,242,260,449.79/374,473.79
  6. Step 6: Final answer
    x = 294,392.46

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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.