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Finding the Fourth Proportional to 423,473.96, 584,395.05 and 232,499.64

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Solution

The fourth proportional to 423,473.96, 584,395.05 and 232,499.64 is: 320,850.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,473.96 : 584,395.05 = 232,499.64 : x
  2. Step 2: Convert to fraction form
    423,473.96/584,395.05 = 232,499.64/x
  3. Step 3: Cross multiply
    423,473.96x = 584,395.05 × 232,499.64
  4. Step 4: Simplify right side
    423,473.96x = 135,871,638,742.78
  5. Step 5: Solve for x
    x = 135,871,638,742.78/423,473.96
  6. Step 6: Final answer
    x = 320,850.04

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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.