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Finding the Fourth Proportional to 3,154,879.86, 4,733,118.12 and 880,404.06

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Solution

The fourth proportional to 3,154,879.86, 4,733,118.12 and 880,404.06 is: 1,320,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154,879.86 : 4,733,118.12 = 880,404.06 : x
  2. Step 2: Convert to fraction form
    3,154,879.86/4,733,118.12 = 880,404.06/x
  3. Step 3: Cross multiply
    3,154,879.86x = 4,733,118.12 × 880,404.06
  4. Step 4: Simplify right side
    3,154,879.86x = 4,167,056,409,307.57
  5. Step 5: Solve for x
    x = 4,167,056,409,307.57/3,154,879.86
  6. Step 6: Final answer
    x = 1,320,828.87

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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.