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Finding the Fourth Proportional to 569,793.18, 786,338.37 and 328,069.74

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Solution

The fourth proportional to 569,793.18, 786,338.37 and 328,069.74 is: 452,749.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,793.18 : 786,338.37 = 328,069.74 : x
  2. Step 2: Convert to fraction form
    569,793.18/786,338.37 = 328,069.74/x
  3. Step 3: Cross multiply
    569,793.18x = 786,338.37 × 328,069.74
  4. Step 4: Simplify right side
    569,793.18x = 257,973,824,597.92
  5. Step 5: Solve for x
    x = 257,973,824,597.92/569,793.18
  6. Step 6: Final answer
    x = 452,749.93

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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.