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Finding the Fourth Proportional to 474,115.34, 653,720.12 and 383,190.14

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Solution

The fourth proportional to 474,115.34, 653,720.12 and 383,190.14 is: 528,350.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,115.34 : 653,720.12 = 383,190.14 : x
  2. Step 2: Convert to fraction form
    474,115.34/653,720.12 = 383,190.14/x
  3. Step 3: Cross multiply
    474,115.34x = 653,720.12 × 383,190.14
  4. Step 4: Simplify right side
    474,115.34x = 250,499,104,303.62
  5. Step 5: Solve for x
    x = 250,499,104,303.62/474,115.34
  6. Step 6: Final answer
    x = 528,350.56

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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.