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Finding the Fourth Proportional to 592,961.56, 818,293.56 and 321,035.40

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Solution

The fourth proportional to 592,961.56, 818,293.56 and 321,035.40 is: 443,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,961.56 : 818,293.56 = 321,035.40 : x
  2. Step 2: Convert to fraction form
    592,961.56/818,293.56 = 321,035.40/x
  3. Step 3: Cross multiply
    592,961.56x = 818,293.56 × 321,035.40
  4. Step 4: Simplify right side
    592,961.56x = 262,701,200,352.02
  5. Step 5: Solve for x
    x = 262,701,200,352.02/592,961.56
  6. Step 6: Final answer
    x = 443,032.43

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1.5x scale

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.