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Finding the Fourth Proportional to 1,443,972.48, 1,992,890.56 and 832,008.08

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Solution

The fourth proportional to 1,443,972.48, 1,992,890.56 and 832,008.08 is: 1,148,291.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,972.48 : 1,992,890.56 = 832,008.08 : x
  2. Step 2: Convert to fraction form
    1,443,972.48/1,992,890.56 = 832,008.08/x
  3. Step 3: Cross multiply
    1,443,972.48x = 1,992,890.56 × 832,008.08
  4. Step 4: Simplify right side
    1,443,972.48x = 1,658,101,048,475.73
  5. Step 5: Solve for x
    x = 1,658,101,048,475.73/1,443,972.48
  6. Step 6: Final answer
    x = 1,148,291.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.