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Finding the Fourth Proportional to 493,170.40, 738,200.40 and 477,618.40

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Solution

The fourth proportional to 493,170.40, 738,200.40 and 477,618.40 is: 714,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,170.40 : 738,200.40 = 477,618.40 : x
  2. Step 2: Convert to fraction form
    493,170.40/738,200.40 = 477,618.40/x
  3. Step 3: Cross multiply
    493,170.40x = 738,200.40 × 477,618.40
  4. Step 4: Simplify right side
    493,170.40x = 352,578,093,927.36
  5. Step 5: Solve for x
    x = 352,578,093,927.36/493,170.40
  6. Step 6: Final answer
    x = 714,921.44

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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.