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Finding the Fourth Proportional to 1,836,000.90, 2,751,312.15 and 1,646,460.90

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Solution

The fourth proportional to 1,836,000.90, 2,751,312.15 and 1,646,460.90 is: 2,467,279.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,000.90 : 2,751,312.15 = 1,646,460.90 : x
  2. Step 2: Convert to fraction form
    1,836,000.90/2,751,312.15 = 1,646,460.90/x
  3. Step 3: Cross multiply
    1,836,000.90x = 2,751,312.15 × 1,646,460.90
  4. Step 4: Simplify right side
    1,836,000.90x = 4,529,927,878,669.93
  5. Step 5: Solve for x
    x = 4,529,927,878,669.93/1,836,000.90
  6. Step 6: Final answer
    x = 2,467,279.77

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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.