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Finding the Fourth Proportional to 683,074.04, 942,693.90 and 377,208.68

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Solution

The fourth proportional to 683,074.04, 942,693.90 and 377,208.68 is: 520,576.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,074.04 : 942,693.90 = 377,208.68 : x
  2. Step 2: Convert to fraction form
    683,074.04/942,693.90 = 377,208.68/x
  3. Step 3: Cross multiply
    683,074.04x = 942,693.90 × 377,208.68
  4. Step 4: Simplify right side
    683,074.04x = 355,592,321,663.05
  5. Step 5: Solve for x
    x = 355,592,321,663.05/683,074.04
  6. Step 6: Final answer
    x = 520,576.54

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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.