Home / 319,849.70-478,733.01-235,576.70

Finding the Fourth Proportional to 319,849.70, 478,733.01 and 235,576.70

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Solution

The fourth proportional to 319,849.70, 478,733.01 and 235,576.70 is: 352,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,849.70 : 478,733.01 = 235,576.70 : x
  2. Step 2: Convert to fraction form
    319,849.70/478,733.01 = 235,576.70/x
  3. Step 3: Cross multiply
    319,849.70x = 478,733.01 × 235,576.70
  4. Step 4: Simplify right side
    319,849.70x = 112,778,342,676.87
  5. Step 5: Solve for x
    x = 112,778,342,676.87/319,849.70
  6. Step 6: Final answer
    x = 352,597.93

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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.