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Finding the Fourth Proportional to 474,435.42, 654,656.22 and 283,408.26

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Solution

The fourth proportional to 474,435.42, 654,656.22 and 283,408.26 is: 391,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,435.42 : 654,656.22 = 283,408.26 : x
  2. Step 2: Convert to fraction form
    474,435.42/654,656.22 = 283,408.26/x
  3. Step 3: Cross multiply
    474,435.42x = 654,656.22 × 283,408.26
  4. Step 4: Simplify right side
    474,435.42x = 185,534,980,208.38
  5. Step 5: Solve for x
    x = 185,534,980,208.38/474,435.42
  6. Step 6: Final answer
    x = 391,064.77

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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.