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Finding the Fourth Proportional to 650,419.61, 897,556.55 and 360,043.83

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Solution

The fourth proportional to 650,419.61, 897,556.55 and 360,043.83 is: 496,848.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,419.61 : 897,556.55 = 360,043.83 : x
  2. Step 2: Convert to fraction form
    650,419.61/897,556.55 = 360,043.83/x
  3. Step 3: Cross multiply
    650,419.61x = 897,556.55 × 360,043.83
  4. Step 4: Simplify right side
    650,419.61x = 323,159,696,103.37
  5. Step 5: Solve for x
    x = 323,159,696,103.37/650,419.61
  6. Step 6: Final answer
    x = 496,848.02

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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.