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Finding the Fourth Proportional to 624,884.16, 862,338.83 and 338,403.36

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Solution

The fourth proportional to 624,884.16, 862,338.83 and 338,403.36 is: 466,995.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,884.16 : 862,338.83 = 338,403.36 : x
  2. Step 2: Convert to fraction form
    624,884.16/862,338.83 = 338,403.36/x
  3. Step 3: Cross multiply
    624,884.16x = 862,338.83 × 338,403.36
  4. Step 4: Simplify right side
    624,884.16x = 291,818,355,838.45
  5. Step 5: Solve for x
    x = 291,818,355,838.45/624,884.16
  6. Step 6: Final answer
    x = 466,995.92

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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.