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Finding the Fourth Proportional to 700,102.80, 1,050,672.60 and 463,366.80

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Solution

The fourth proportional to 700,102.80, 1,050,672.60 and 463,366.80 is: 695,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,102.80 : 1,050,672.60 = 463,366.80 : x
  2. Step 2: Convert to fraction form
    700,102.80/1,050,672.60 = 463,366.80/x
  3. Step 3: Cross multiply
    700,102.80x = 1,050,672.60 × 463,366.80
  4. Step 4: Simplify right side
    700,102.80x = 486,846,800,509.68
  5. Step 5: Solve for x
    x = 486,846,800,509.68/700,102.80
  6. Step 6: Final answer
    x = 695,393.31

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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.