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Finding the Fourth Proportional to 1,041,840, 1,562,767.68 and 253,872

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Solution

The fourth proportional to 1,041,840, 1,562,767.68 and 253,872 is: 380,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,840 : 1,562,767.68 = 253,872 : x
  2. Step 2: Convert to fraction form
    1,041,840/1,562,767.68 = 253,872/x
  3. Step 3: Cross multiply
    1,041,840x = 1,562,767.68 × 253,872
  4. Step 4: Simplify right side
    1,041,840x = 396,742,956,456.96
  5. Step 5: Solve for x
    x = 396,742,956,456.96/1,041,840
  6. Step 6: Final answer
    x = 380,809.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.