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Finding the Fourth Proportional to 700,651.92, 1,051,310.04 and 416,903.03

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Solution

The fourth proportional to 700,651.92, 1,051,310.04 and 416,903.03 is: 625,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,651.92 : 1,051,310.04 = 416,903.03 : x
  2. Step 2: Convert to fraction form
    700,651.92/1,051,310.04 = 416,903.03/x
  3. Step 3: Cross multiply
    700,651.92x = 1,051,310.04 × 416,903.03
  4. Step 4: Simplify right side
    700,651.92x = 438,294,335,311.09
  5. Step 5: Solve for x
    x = 438,294,335,311.09/700,651.92
  6. Step 6: Final answer
    x = 625,552.18

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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.