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Finding the Fourth Proportional to 1,367,375.02, 1,886,966.50 and 755,525.32

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Solution

The fourth proportional to 1,367,375.02, 1,886,966.50 and 755,525.32 is: 1,042,618.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,375.02 : 1,886,966.50 = 755,525.32 : x
  2. Step 2: Convert to fraction form
    1,367,375.02/1,886,966.50 = 755,525.32/x
  3. Step 3: Cross multiply
    1,367,375.02x = 1,886,966.50 × 755,525.32
  4. Step 4: Simplify right side
    1,367,375.02x = 1,425,650,968,741.78
  5. Step 5: Solve for x
    x = 1,425,650,968,741.78/1,367,375.02
  6. Step 6: Final answer
    x = 1,042,618.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.