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Finding the Fourth Proportional to 1,788,905.86, 2,684,602.95 and 1,156,250.50

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Solution

The fourth proportional to 1,788,905.86, 2,684,602.95 and 1,156,250.50 is: 1,735,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,905.86 : 2,684,602.95 = 1,156,250.50 : x
  2. Step 2: Convert to fraction form
    1,788,905.86/2,684,602.95 = 1,156,250.50/x
  3. Step 3: Cross multiply
    1,788,905.86x = 2,684,602.95 × 1,156,250.50
  4. Step 4: Simplify right side
    1,788,905.86x = 3,104,073,503,238.98
  5. Step 5: Solve for x
    x = 3,104,073,503,238.98/1,788,905.86
  6. Step 6: Final answer
    x = 1,735,179.91

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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.