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Finding the Fourth Proportional to 893,661.60, 1,340,492.40 and 825,232.80

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Solution

The fourth proportional to 893,661.60, 1,340,492.40 and 825,232.80 is: 1,237,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,661.60 : 1,340,492.40 = 825,232.80 : x
  2. Step 2: Convert to fraction form
    893,661.60/1,340,492.40 = 825,232.80/x
  3. Step 3: Cross multiply
    893,661.60x = 1,340,492.40 × 825,232.80
  4. Step 4: Simplify right side
    893,661.60x = 1,106,218,296,630.72
  5. Step 5: Solve for x
    x = 1,106,218,296,630.72/893,661.60
  6. Step 6: Final answer
    x = 1,237,849.20

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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.