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Finding the Fourth Proportional to 554,873.58, 765,643.42 and 336,968.93

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Solution

The fourth proportional to 554,873.58, 765,643.42 and 336,968.93 is: 464,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,873.58 : 765,643.42 = 336,968.93 : x
  2. Step 2: Convert to fraction form
    554,873.58/765,643.42 = 336,968.93/x
  3. Step 3: Cross multiply
    554,873.58x = 765,643.42 × 336,968.93
  4. Step 4: Simplify right side
    554,873.58x = 257,998,043,998.94
  5. Step 5: Solve for x
    x = 257,998,043,998.94/554,873.58
  6. Step 6: Final answer
    x = 464,967.25

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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.