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Finding the Fourth Proportional to 423,487.02, 584,416.96 and 232,496.30

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Solution

The fourth proportional to 423,487.02, 584,416.96 and 232,496.30 is: 320,847.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,487.02 : 584,416.96 = 232,496.30 : x
  2. Step 2: Convert to fraction form
    423,487.02/584,416.96 = 232,496.30/x
  3. Step 3: Cross multiply
    423,487.02x = 584,416.96 × 232,496.30
  4. Step 4: Simplify right side
    423,487.02x = 135,874,780,857.25
  5. Step 5: Solve for x
    x = 135,874,780,857.25/423,487.02
  6. Step 6: Final answer
    x = 320,847.57

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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.