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Finding the Fourth Proportional to 753,043,669.65, 1,129,565,504.48 and 753,043,669.65

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Solution

The fourth proportional to 753,043,669.65, 1,129,565,504.48 and 753,043,669.65 is: 1,129,565,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,043,669.65 : 1,129,565,504.48 = 753,043,669.65 : x
  2. Step 2: Convert to fraction form
    753,043,669.65/1,129,565,504.48 = 753,043,669.65/x
  3. Step 3: Cross multiply
    753,043,669.65x = 1,129,565,504.48 × 753,043,669.65
  4. Step 4: Simplify right side
    753,043,669.65x = 850,612,152,599,907,456
  5. Step 5: Solve for x
    x = 850,612,152,599,907,456/753,043,669.65
  6. Step 6: Final answer
    x = 1,129,565,504.48

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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.