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Finding the Fourth Proportional to 1,908,654, 2,862,998.28 and 578,958

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Solution

The fourth proportional to 1,908,654, 2,862,998.28 and 578,958 is: 868,442.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,654 : 2,862,998.28 = 578,958 : x
  2. Step 2: Convert to fraction form
    1,908,654/2,862,998.28 = 578,958/x
  3. Step 3: Cross multiply
    1,908,654x = 2,862,998.28 × 578,958
  4. Step 4: Simplify right side
    1,908,654x = 1,657,555,758,192.24
  5. Step 5: Solve for x
    x = 1,657,555,758,192.24/1,908,654
  6. Step 6: Final answer
    x = 868,442.24

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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.