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Finding the Fourth Proportional to 624,955.64, 862,438.48 and 338,475.72

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Solution

The fourth proportional to 624,955.64, 862,438.48 and 338,475.72 is: 467,096.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,955.64 : 862,438.48 = 338,475.72 : x
  2. Step 2: Convert to fraction form
    624,955.64/862,438.48 = 338,475.72/x
  3. Step 3: Cross multiply
    624,955.64x = 862,438.48 × 338,475.72
  4. Step 4: Simplify right side
    624,955.64x = 291,914,485,473.71
  5. Step 5: Solve for x
    x = 291,914,485,473.71/624,955.64
  6. Step 6: Final answer
    x = 467,096.33

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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.