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Finding the Fourth Proportional to 374,457.44, 516,714.72 and 213,299.84

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Solution

The fourth proportional to 374,457.44, 516,714.72 and 213,299.84 is: 294,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,457.44 : 516,714.72 = 213,299.84 : x
  2. Step 2: Convert to fraction form
    374,457.44/516,714.72 = 213,299.84/x
  3. Step 3: Cross multiply
    374,457.44x = 516,714.72 × 213,299.84
  4. Step 4: Simplify right side
    374,457.44x = 110,215,167,101.65
  5. Step 5: Solve for x
    x = 110,215,167,101.65/374,457.44
  6. Step 6: Final answer
    x = 294,332.96

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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.