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Finding the Fourth Proportional to 1,890,736.63, 2,835,715.89 and 542,598.75

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Solution

The fourth proportional to 1,890,736.63, 2,835,715.89 and 542,598.75 is: 813,786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,736.63 : 2,835,715.89 = 542,598.75 : x
  2. Step 2: Convert to fraction form
    1,890,736.63/2,835,715.89 = 542,598.75/x
  3. Step 3: Cross multiply
    1,890,736.63x = 2,835,715.89 × 542,598.75
  4. Step 4: Simplify right side
    1,890,736.63x = 1,538,655,896,251.77
  5. Step 5: Solve for x
    x = 1,538,655,896,251.77/1,890,736.63
  6. Step 6: Final answer
    x = 813,786.48

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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.