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Finding the Fourth Proportional to 474,365.25, 654,639.53 and 259,505.32

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Solution

The fourth proportional to 474,365.25, 654,639.53 and 259,505.32 is: 358,125.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,365.25 : 654,639.53 = 259,505.32 : x
  2. Step 2: Convert to fraction form
    474,365.25/654,639.53 = 259,505.32/x
  3. Step 3: Cross multiply
    474,365.25x = 654,639.53 × 259,505.32
  4. Step 4: Simplify right side
    474,365.25x = 169,882,439,740.48
  5. Step 5: Solve for x
    x = 169,882,439,740.48/474,365.25
  6. Step 6: Final answer
    x = 358,125.81

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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.