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Finding the Fourth Proportional to 1,010,886, 1,516,416.48 and 262,932

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Solution

The fourth proportional to 1,010,886, 1,516,416.48 and 262,932 is: 394,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,886 : 1,516,416.48 = 262,932 : x
  2. Step 2: Convert to fraction form
    1,010,886/1,516,416.48 = 262,932/x
  3. Step 3: Cross multiply
    1,010,886x = 1,516,416.48 × 262,932
  4. Step 4: Simplify right side
    1,010,886x = 398,714,417,919.36
  5. Step 5: Solve for x
    x = 398,714,417,919.36/1,010,886
  6. Step 6: Final answer
    x = 394,420.75

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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.