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Finding the Fourth Proportional to 374,549.34, 516,751.48 and 213,290.04

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Solution

The fourth proportional to 374,549.34, 516,751.48 and 213,290.04 is: 294,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,549.34 : 516,751.48 = 213,290.04 : x
  2. Step 2: Convert to fraction form
    374,549.34/516,751.48 = 213,290.04/x
  3. Step 3: Cross multiply
    374,549.34x = 516,751.48 × 213,290.04
  4. Step 4: Simplify right side
    374,549.34x = 110,217,940,722.28
  5. Step 5: Solve for x
    x = 110,217,940,722.28/374,549.34
  6. Step 6: Final answer
    x = 294,268.15

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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.