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Finding the Fourth Proportional to 683,001.57, 942,542.42 and 377,078.21

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Solution

The fourth proportional to 683,001.57, 942,542.42 and 377,078.21 is: 520,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,001.57 : 942,542.42 = 377,078.21 : x
  2. Step 2: Convert to fraction form
    683,001.57/942,542.42 = 377,078.21/x
  3. Step 3: Cross multiply
    683,001.57x = 942,542.42 × 377,078.21
  4. Step 4: Simplify right side
    683,001.57x = 355,412,201,984.57
  5. Step 5: Solve for x
    x = 355,412,201,984.57/683,001.57
  6. Step 6: Final answer
    x = 520,368.06

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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.