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Finding the Fourth Proportional to 395,653, 593,302.14 and 235,804.36

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Solution

The fourth proportional to 395,653, 593,302.14 and 235,804.36 is: 353,600.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,653 : 593,302.14 = 235,804.36 : x
  2. Step 2: Convert to fraction form
    395,653/593,302.14 = 235,804.36/x
  3. Step 3: Cross multiply
    395,653x = 593,302.14 × 235,804.36
  4. Step 4: Simplify right side
    395,653x = 139,903,231,409.33
  5. Step 5: Solve for x
    x = 139,903,231,409.33/395,653
  6. Step 6: Final answer
    x = 353,600.84

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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.