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Finding the Fourth Proportional to 659,452.96, 910,094.01 and 369,093.61

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Solution

The fourth proportional to 659,452.96, 910,094.01 and 369,093.61 is: 509,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,452.96 : 910,094.01 = 369,093.61 : x
  2. Step 2: Convert to fraction form
    659,452.96/910,094.01 = 369,093.61/x
  3. Step 3: Cross multiply
    659,452.96x = 910,094.01 × 369,093.61
  4. Step 4: Simplify right side
    659,452.96x = 335,909,879,039.81
  5. Step 5: Solve for x
    x = 335,909,879,039.81/659,452.96
  6. Step 6: Final answer
    x = 509,376.56

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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.