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Finding the Fourth Proportional to 374,473.62, 516,776.72 and 213,326.14

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Solution

The fourth proportional to 374,473.62, 516,776.72 and 213,326.14 is: 294,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,473.62 : 516,776.72 = 213,326.14 : x
  2. Step 2: Convert to fraction form
    374,473.62/516,776.72 = 213,326.14/x
  3. Step 3: Cross multiply
    374,473.62x = 516,776.72 × 213,326.14
  4. Step 4: Simplify right side
    374,473.62x = 110,241,981,852.83
  5. Step 5: Solve for x
    x = 110,241,981,852.83/374,473.62
  6. Step 6: Final answer
    x = 294,391.85

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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.