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Finding the Fourth Proportional to 1,893,188.88, 2,612,498.76 and 1,033,736.40

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Solution

The fourth proportional to 1,893,188.88, 2,612,498.76 and 1,033,736.40 is: 1,426,500.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893,188.88 : 2,612,498.76 = 1,033,736.40 : x
  2. Step 2: Convert to fraction form
    1,893,188.88/2,612,498.76 = 1,033,736.40/x
  3. Step 3: Cross multiply
    1,893,188.88x = 2,612,498.76 × 1,033,736.40
  4. Step 4: Simplify right side
    1,893,188.88x = 2,700,635,063,166.86
  5. Step 5: Solve for x
    x = 2,700,635,063,166.86/1,893,188.88
  6. Step 6: Final answer
    x = 1,426,500.59

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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.