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Finding the Fourth Proportional to 624,276.57, 861,503.22 and 337,799.64

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Solution

The fourth proportional to 624,276.57, 861,503.22 and 337,799.64 is: 466,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,276.57 : 861,503.22 = 337,799.64 : x
  2. Step 2: Convert to fraction form
    624,276.57/861,503.22 = 337,799.64/x
  3. Step 3: Cross multiply
    624,276.57x = 861,503.22 × 337,799.64
  4. Step 4: Simplify right side
    624,276.57x = 291,015,477,574.84
  5. Step 5: Solve for x
    x = 291,015,477,574.84/624,276.57
  6. Step 6: Final answer
    x = 466,164.34

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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.