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Finding the Fourth Proportional to 1,345,482.48, 1,856,742 and 733,640

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Solution

The fourth proportional to 1,345,482.48, 1,856,742 and 733,640 is: 1,012,410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,482.48 : 1,856,742 = 733,640 : x
  2. Step 2: Convert to fraction form
    1,345,482.48/1,856,742 = 733,640/x
  3. Step 3: Cross multiply
    1,345,482.48x = 1,856,742 × 733,640
  4. Step 4: Simplify right side
    1,345,482.48x = 1,362,180,200,880
  5. Step 5: Solve for x
    x = 1,362,180,200,880/1,345,482.48
  6. Step 6: Final answer
    x = 1,012,410.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.