Home / 353,248.20-529,872.30-290,665.58

Finding the Fourth Proportional to 353,248.20, 529,872.30 and 290,665.58

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Solution

The fourth proportional to 353,248.20, 529,872.30 and 290,665.58 is: 435,998.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,248.20 : 529,872.30 = 290,665.58 : x
  2. Step 2: Convert to fraction form
    353,248.20/529,872.30 = 290,665.58/x
  3. Step 3: Cross multiply
    353,248.20x = 529,872.30 × 290,665.58
  4. Step 4: Simplify right side
    353,248.20x = 154,015,636,756.07
  5. Step 5: Solve for x
    x = 154,015,636,756.07/353,248.20
  6. Step 6: Final answer
    x = 435,998.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.