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Finding the Fourth Proportional to 360,511.97, 540,294.91 and 265,296.47

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Solution

The fourth proportional to 360,511.97, 540,294.91 and 265,296.47 is: 397,596.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,511.97 : 540,294.91 = 265,296.47 : x
  2. Step 2: Convert to fraction form
    360,511.97/540,294.91 = 265,296.47/x
  3. Step 3: Cross multiply
    360,511.97x = 540,294.91 × 265,296.47
  4. Step 4: Simplify right side
    360,511.97x = 143,338,329,017.25
  5. Step 5: Solve for x
    x = 143,338,329,017.25/360,511.97
  6. Step 6: Final answer
    x = 397,596.59

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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.