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Finding the Fourth Proportional to 446,399.28, 615,935.16 and 265,172.30

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Solution

The fourth proportional to 446,399.28, 615,935.16 and 265,172.30 is: 365,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,399.28 : 615,935.16 = 265,172.30 : x
  2. Step 2: Convert to fraction form
    446,399.28/615,935.16 = 265,172.30/x
  3. Step 3: Cross multiply
    446,399.28x = 615,935.16 × 265,172.30
  4. Step 4: Simplify right side
    446,399.28x = 163,328,943,028.07
  5. Step 5: Solve for x
    x = 163,328,943,028.07/446,399.28
  6. Step 6: Final answer
    x = 365,880.84

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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.