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Finding the Fourth Proportional to 716,879, 1,075,317.16 and 211,794.76

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Solution

The fourth proportional to 716,879, 1,075,317.16 and 211,794.76 is: 317,691.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,879 : 1,075,317.16 = 211,794.76 : x
  2. Step 2: Convert to fraction form
    716,879/1,075,317.16 = 211,794.76/x
  3. Step 3: Cross multiply
    716,879x = 1,075,317.16 × 211,794.76
  4. Step 4: Simplify right side
    716,879x = 227,746,539,826.08
  5. Step 5: Solve for x
    x = 227,746,539,826.08/716,879
  6. Step 6: Final answer
    x = 317,691.74

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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.