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Finding the Fourth Proportional to 505,858.44, 759,313.23 and 338,547.93

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Solution

The fourth proportional to 505,858.44, 759,313.23 and 338,547.93 is: 508,173.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,858.44 : 759,313.23 = 338,547.93 : x
  2. Step 2: Convert to fraction form
    505,858.44/759,313.23 = 338,547.93/x
  3. Step 3: Cross multiply
    505,858.44x = 759,313.23 × 338,547.93
  4. Step 4: Simplify right side
    505,858.44x = 257,063,918,121.14
  5. Step 5: Solve for x
    x = 257,063,918,121.14/505,858.44
  6. Step 6: Final answer
    x = 508,173.62

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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.