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Finding the Fourth Proportional to 662,074.60, 992,091.30 and 492,800.80

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Solution

The fourth proportional to 662,074.60, 992,091.30 and 492,800.80 is: 738,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,074.60 : 992,091.30 = 492,800.80 : x
  2. Step 2: Convert to fraction form
    662,074.60/992,091.30 = 492,800.80/x
  3. Step 3: Cross multiply
    662,074.60x = 992,091.30 × 492,800.80
  4. Step 4: Simplify right side
    662,074.60x = 488,903,386,313.04
  5. Step 5: Solve for x
    x = 488,903,386,313.04/662,074.60
  6. Step 6: Final answer
    x = 738,441.54

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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.