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Finding the Fourth Proportional to 1,842,098.56, 2,762,905.92 and 579,932.80

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Solution

The fourth proportional to 1,842,098.56, 2,762,905.92 and 579,932.80 is: 869,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,098.56 : 2,762,905.92 = 579,932.80 : x
  2. Step 2: Convert to fraction form
    1,842,098.56/2,762,905.92 = 579,932.80/x
  3. Step 3: Cross multiply
    1,842,098.56x = 2,762,905.92 × 579,932.80
  4. Step 4: Simplify right side
    1,842,098.56x = 1,602,299,766,322.18
  5. Step 5: Solve for x
    x = 1,602,299,766,322.18/1,842,098.56
  6. Step 6: Final answer
    x = 869,823.04

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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.