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Finding the Fourth Proportional to 453,980.08, 680,497.08 and 254,007.28

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Solution

The fourth proportional to 453,980.08, 680,497.08 and 254,007.28 is: 380,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,980.08 : 680,497.08 = 254,007.28 : x
  2. Step 2: Convert to fraction form
    453,980.08/680,497.08 = 254,007.28/x
  3. Step 3: Cross multiply
    453,980.08x = 680,497.08 × 254,007.28
  4. Step 4: Simplify right side
    453,980.08x = 172,851,212,338.74
  5. Step 5: Solve for x
    x = 172,851,212,338.74/453,980.08
  6. Step 6: Final answer
    x = 380,746.25

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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.