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Finding the Fourth Proportional to 683,604.01, 942,041.37 and 492,256.09

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Solution

The fourth proportional to 683,604.01, 942,041.37 and 492,256.09 is: 678,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,604.01 : 942,041.37 = 492,256.09 : x
  2. Step 2: Convert to fraction form
    683,604.01/942,041.37 = 492,256.09/x
  3. Step 3: Cross multiply
    683,604.01x = 942,041.37 × 492,256.09
  4. Step 4: Simplify right side
    683,604.01x = 463,725,601,414.44
  5. Step 5: Solve for x
    x = 463,725,601,414.44/683,604.01
  6. Step 6: Final answer
    x = 678,354.13

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1.5x scale

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.