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Finding the Fourth Proportional to 370,609.89, 511,496.51 and 234,656.45

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Solution

The fourth proportional to 370,609.89, 511,496.51 and 234,656.45 is: 323,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,609.89 : 511,496.51 = 234,656.45 : x
  2. Step 2: Convert to fraction form
    370,609.89/511,496.51 = 234,656.45/x
  3. Step 3: Cross multiply
    370,609.89x = 511,496.51 × 234,656.45
  4. Step 4: Simplify right side
    370,609.89x = 120,025,955,329.45
  5. Step 5: Solve for x
    x = 120,025,955,329.45/370,609.89
  6. Step 6: Final answer
    x = 323,860.64

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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.