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Finding the Fourth Proportional to 659,610.96, 910,263.42 and 373,124.94

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Solution

The fourth proportional to 659,610.96, 910,263.42 and 373,124.94 is: 514,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,610.96 : 910,263.42 = 373,124.94 : x
  2. Step 2: Convert to fraction form
    659,610.96/910,263.42 = 373,124.94/x
  3. Step 3: Cross multiply
    659,610.96x = 910,263.42 × 373,124.94
  4. Step 4: Simplify right side
    659,610.96x = 339,641,983,971.70
  5. Step 5: Solve for x
    x = 339,641,983,971.70/659,610.96
  6. Step 6: Final answer
    x = 514,912.58

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Why These Related Problems?

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