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Finding the Fourth Proportional to 1,899,218.84, 2,849,062.46 and 619,484.13

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Solution

The fourth proportional to 1,899,218.84, 2,849,062.46 and 619,484.13 is: 929,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,218.84 : 2,849,062.46 = 619,484.13 : x
  2. Step 2: Convert to fraction form
    1,899,218.84/2,849,062.46 = 619,484.13/x
  3. Step 3: Cross multiply
    1,899,218.84x = 2,849,062.46 × 619,484.13
  4. Step 4: Simplify right side
    1,899,218.84x = 1,764,948,976,251.34
  5. Step 5: Solve for x
    x = 1,764,948,976,251.34/1,899,218.84
  6. Step 6: Final answer
    x = 929,302.59

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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.