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Finding the Fourth Proportional to 605,166.60, 907,749.90 and 577,610.40

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Solution

The fourth proportional to 605,166.60, 907,749.90 and 577,610.40 is: 866,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,166.60 : 907,749.90 = 577,610.40 : x
  2. Step 2: Convert to fraction form
    605,166.60/907,749.90 = 577,610.40/x
  3. Step 3: Cross multiply
    605,166.60x = 907,749.90 × 577,610.40
  4. Step 4: Simplify right side
    605,166.60x = 524,325,782,838.96
  5. Step 5: Solve for x
    x = 524,325,782,838.96/605,166.60
  6. Step 6: Final answer
    x = 866,415.60

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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.