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Finding the Fourth Proportional to 873,360.82, 1,310,028.92 and 274,357.92

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Solution

The fourth proportional to 873,360.82, 1,310,028.92 and 274,357.92 is: 411,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,360.82 : 1,310,028.92 = 274,357.92 : x
  2. Step 2: Convert to fraction form
    873,360.82/1,310,028.92 = 274,357.92/x
  3. Step 3: Cross multiply
    873,360.82x = 1,310,028.92 × 274,357.92
  4. Step 4: Simplify right side
    873,360.82x = 359,416,808,259.26
  5. Step 5: Solve for x
    x = 359,416,808,259.26/873,360.82
  6. Step 6: Final answer
    x = 411,533.01

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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.