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Finding the Fourth Proportional to 476,354.56, 713,603.04 and 265,357.12

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Solution

The fourth proportional to 476,354.56, 713,603.04 and 265,357.12 is: 397,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,354.56 : 713,603.04 = 265,357.12 : x
  2. Step 2: Convert to fraction form
    476,354.56/713,603.04 = 265,357.12/x
  3. Step 3: Cross multiply
    476,354.56x = 713,603.04 × 265,357.12
  4. Step 4: Simplify right side
    476,354.56x = 189,359,647,517.65
  5. Step 5: Solve for x
    x = 189,359,647,517.65/476,354.56
  6. Step 6: Final answer
    x = 397,518.28

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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.