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Finding the Fourth Proportional to 374,090.56, 516,237.76 and 204,326.08

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Solution

The fourth proportional to 374,090.56, 516,237.76 and 204,326.08 is: 281,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,090.56 : 516,237.76 = 204,326.08 : x
  2. Step 2: Convert to fraction form
    374,090.56/516,237.76 = 204,326.08/x
  3. Step 3: Cross multiply
    374,090.56x = 516,237.76 × 204,326.08
  4. Step 4: Simplify right side
    374,090.56x = 105,480,837,848.78
  5. Step 5: Solve for x
    x = 105,480,837,848.78/374,090.56
  6. Step 6: Final answer
    x = 281,966.05

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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.