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Finding the Fourth Proportional to 669,409.53, 923,554.23 and 427,833.51

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Solution

The fourth proportional to 669,409.53, 923,554.23 and 427,833.51 is: 590,262.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,409.53 : 923,554.23 = 427,833.51 : x
  2. Step 2: Convert to fraction form
    669,409.53/923,554.23 = 427,833.51/x
  3. Step 3: Cross multiply
    669,409.53x = 923,554.23 × 427,833.51
  4. Step 4: Simplify right side
    669,409.53x = 395,127,447,896.25
  5. Step 5: Solve for x
    x = 395,127,447,896.25/669,409.53
  6. Step 6: Final answer
    x = 590,262.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.