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Finding the Fourth Proportional to 922,097.10, 1,383,145.65 and 803,999.10

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Solution

The fourth proportional to 922,097.10, 1,383,145.65 and 803,999.10 is: 1,205,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,097.10 : 1,383,145.65 = 803,999.10 : x
  2. Step 2: Convert to fraction form
    922,097.10/1,383,145.65 = 803,999.10/x
  3. Step 3: Cross multiply
    922,097.10x = 1,383,145.65 × 803,999.10
  4. Step 4: Simplify right side
    922,097.10x = 1,112,047,857,768.91
  5. Step 5: Solve for x
    x = 1,112,047,857,768.91/922,097.10
  6. Step 6: Final answer
    x = 1,205,998.65

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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.