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Finding the Fourth Proportional to 1,443,875.54, 1,992,564 and 799,306.49

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Solution

The fourth proportional to 1,443,875.54, 1,992,564 and 799,306.49 is: 1,103,051.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,875.54 : 1,992,564 = 799,306.49 : x
  2. Step 2: Convert to fraction form
    1,443,875.54/1,992,564 = 799,306.49/x
  3. Step 3: Cross multiply
    1,443,875.54x = 1,992,564 × 799,306.49
  4. Step 4: Simplify right side
    1,443,875.54x = 1,592,669,336,940.36
  5. Step 5: Solve for x
    x = 1,592,669,336,940.36/1,443,875.54
  6. Step 6: Final answer
    x = 1,103,051.68

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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.