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Finding the Fourth Proportional to 701,812.60, 1,050,750.60 and 682,129.60

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Solution

The fourth proportional to 701,812.60, 1,050,750.60 and 682,129.60 is: 1,021,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,812.60 : 1,050,750.60 = 682,129.60 : x
  2. Step 2: Convert to fraction form
    701,812.60/1,050,750.60 = 682,129.60/x
  3. Step 3: Cross multiply
    701,812.60x = 1,050,750.60 × 682,129.60
  4. Step 4: Simplify right side
    701,812.60x = 716,748,086,477.76
  5. Step 5: Solve for x
    x = 716,748,086,477.76/701,812.60
  6. Step 6: Final answer
    x = 1,021,281.30

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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.