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Finding the Fourth Proportional to 301,575.62, 449,057.93 and 290,799.18

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Solution

The fourth proportional to 301,575.62, 449,057.93 and 290,799.18 is: 433,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,575.62 : 449,057.93 = 290,799.18 : x
  2. Step 2: Convert to fraction form
    301,575.62/449,057.93 = 290,799.18/x
  3. Step 3: Cross multiply
    301,575.62x = 449,057.93 × 290,799.18
  4. Step 4: Simplify right side
    301,575.62x = 130,585,676,362.50
  5. Step 5: Solve for x
    x = 130,585,676,362.50/301,575.62
  6. Step 6: Final answer
    x = 433,011.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.