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Finding the Fourth Proportional to 450,908.93, 676,203.85 and 130,994.24

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Solution

The fourth proportional to 450,908.93, 676,203.85 and 130,994.24 is: 196,445.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,908.93 : 676,203.85 = 130,994.24 : x
  2. Step 2: Convert to fraction form
    450,908.93/676,203.85 = 130,994.24/x
  3. Step 3: Cross multiply
    450,908.93x = 676,203.85 × 130,994.24
  4. Step 4: Simplify right side
    450,908.93x = 88,578,809,415.82
  5. Step 5: Solve for x
    x = 88,578,809,415.82/450,908.93
  6. Step 6: Final answer
    x = 196,445.01

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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.