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Finding the Fourth Proportional to 1,045,352.60, 1,569,195.30 and 976,826.60

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Solution

The fourth proportional to 1,045,352.60, 1,569,195.30 and 976,826.60 is: 1,466,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,352.60 : 1,569,195.30 = 976,826.60 : x
  2. Step 2: Convert to fraction form
    1,045,352.60/1,569,195.30 = 976,826.60/x
  3. Step 3: Cross multiply
    1,045,352.60x = 1,569,195.30 × 976,826.60
  4. Step 4: Simplify right side
    1,045,352.60x = 1,532,831,709,634.98
  5. Step 5: Solve for x
    x = 1,532,831,709,634.98/1,045,352.60
  6. Step 6: Final answer
    x = 1,466,329.84

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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.