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Finding the Fourth Proportional to 374,184.51, 516,363.08 and 213,062.55

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Solution

The fourth proportional to 374,184.51, 516,363.08 and 213,062.55 is: 294,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,184.51 : 516,363.08 = 213,062.55 : x
  2. Step 2: Convert to fraction form
    374,184.51/516,363.08 = 213,062.55/x
  3. Step 3: Cross multiply
    374,184.51x = 516,363.08 × 213,062.55
  4. Step 4: Simplify right side
    374,184.51x = 110,017,634,550.65
  5. Step 5: Solve for x
    x = 110,017,634,550.65/374,184.51
  6. Step 6: Final answer
    x = 294,019.75

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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.