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Finding the Fourth Proportional to 474,090.16, 654,409.16 and 272,966.32

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Solution

The fourth proportional to 474,090.16, 654,409.16 and 272,966.32 is: 376,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,090.16 : 654,409.16 = 272,966.32 : x
  2. Step 2: Convert to fraction form
    474,090.16/654,409.16 = 272,966.32/x
  3. Step 3: Cross multiply
    474,090.16x = 654,409.16 × 272,966.32
  4. Step 4: Simplify right side
    474,090.16x = 178,631,660,179.49
  5. Step 5: Solve for x
    x = 178,631,660,179.49/474,090.16
  6. Step 6: Final answer
    x = 376,788.37

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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.