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Finding the Fourth Proportional to 570,731.33, 854,738.12 and 330,339.03

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Solution

The fourth proportional to 570,731.33, 854,738.12 and 330,339.03 is: 494,722.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,731.33 : 854,738.12 = 330,339.03 : x
  2. Step 2: Convert to fraction form
    570,731.33/854,738.12 = 330,339.03/x
  3. Step 3: Cross multiply
    570,731.33x = 854,738.12 × 330,339.03
  4. Step 4: Simplify right side
    570,731.33x = 282,353,359,085.40
  5. Step 5: Solve for x
    x = 282,353,359,085.40/570,731.33
  6. Step 6: Final answer
    x = 494,722.02

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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.