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Finding the Fourth Proportional to 553,556.35, 828,858.30 and 553,556.35

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Solution

The fourth proportional to 553,556.35, 828,858.30 and 553,556.35 is: 828,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,556.35 : 828,858.30 = 553,556.35 : x
  2. Step 2: Convert to fraction form
    553,556.35/828,858.30 = 553,556.35/x
  3. Step 3: Cross multiply
    553,556.35x = 828,858.30 × 553,556.35
  4. Step 4: Simplify right side
    553,556.35x = 458,819,775,215.21
  5. Step 5: Solve for x
    x = 458,819,775,215.21/553,556.35
  6. Step 6: Final answer
    x = 828,858.30

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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.