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Finding the Fourth Proportional to 1,899,235.48, 2,849,087.47 and 619,500.81

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Solution

The fourth proportional to 1,899,235.48, 2,849,087.47 and 619,500.81 is: 929,327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,235.48 : 2,849,087.47 = 619,500.81 : x
  2. Step 2: Convert to fraction form
    1,899,235.48/2,849,087.47 = 619,500.81/x
  3. Step 3: Cross multiply
    1,899,235.48x = 2,849,087.47 × 619,500.81
  4. Step 4: Simplify right side
    1,899,235.48x = 1,765,011,992,328.35
  5. Step 5: Solve for x
    x = 1,765,011,992,328.35/1,899,235.48
  6. Step 6: Final answer
    x = 929,327.62

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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.