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Finding the Fourth Proportional to 476,356.56, 713,606.04 and 265,359.12

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Solution

The fourth proportional to 476,356.56, 713,606.04 and 265,359.12 is: 397,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,356.56 : 713,606.04 = 265,359.12 : x
  2. Step 2: Convert to fraction form
    476,356.56/713,606.04 = 265,359.12/x
  3. Step 3: Cross multiply
    476,356.56x = 713,606.04 × 265,359.12
  4. Step 4: Simplify right side
    476,356.56x = 189,361,870,801.09
  5. Step 5: Solve for x
    x = 189,361,870,801.09/476,356.56
  6. Step 6: Final answer
    x = 397,521.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.