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Finding the Fourth Proportional to 464,509.26, 641,029.59 and 260,605.26

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Solution

The fourth proportional to 464,509.26, 641,029.59 and 260,605.26 is: 359,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,509.26 : 641,029.59 = 260,605.26 : x
  2. Step 2: Convert to fraction form
    464,509.26/641,029.59 = 260,605.26/x
  3. Step 3: Cross multiply
    464,509.26x = 641,029.59 × 260,605.26
  4. Step 4: Simplify right side
    464,509.26x = 167,055,682,969.64
  5. Step 5: Solve for x
    x = 167,055,682,969.64/464,509.26
  6. Step 6: Final answer
    x = 359,639.08

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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.