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Finding the Fourth Proportional to 484,765.44, 668,968.32 and 283,595.52

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Solution

The fourth proportional to 484,765.44, 668,968.32 and 283,595.52 is: 391,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,765.44 : 668,968.32 = 283,595.52 : x
  2. Step 2: Convert to fraction form
    484,765.44/668,968.32 = 283,595.52/x
  3. Step 3: Cross multiply
    484,765.44x = 668,968.32 × 283,595.52
  4. Step 4: Simplify right side
    484,765.44x = 189,716,418,573.93
  5. Step 5: Solve for x
    x = 189,716,418,573.93/484,765.44
  6. Step 6: Final answer
    x = 391,357.14

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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.