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Finding the Fourth Proportional to 701,785.60, 1,050,710.10 and 682,102.60

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Solution

The fourth proportional to 701,785.60, 1,050,710.10 and 682,102.60 is: 1,021,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,785.60 : 1,050,710.10 = 682,102.60 : x
  2. Step 2: Convert to fraction form
    701,785.60/1,050,710.10 = 682,102.60/x
  3. Step 3: Cross multiply
    701,785.60x = 1,050,710.10 × 682,102.60
  4. Step 4: Simplify right side
    701,785.60x = 716,692,091,056.26
  5. Step 5: Solve for x
    x = 716,692,091,056.26/701,785.60
  6. Step 6: Final answer
    x = 1,021,240.80

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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.