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Finding the Fourth Proportional to 624,383.64, 861,651.54 and 337,903.64

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Solution

The fourth proportional to 624,383.64, 861,651.54 and 337,903.64 is: 466,308.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,383.64 : 861,651.54 = 337,903.64 : x
  2. Step 2: Convert to fraction form
    624,383.64/861,651.54 = 337,903.64/x
  3. Step 3: Cross multiply
    624,383.64x = 861,651.54 × 337,903.64
  4. Step 4: Simplify right side
    624,383.64x = 291,155,191,777.61
  5. Step 5: Solve for x
    x = 291,155,191,777.61/624,383.64
  6. Step 6: Final answer
    x = 466,308.17

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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.