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Finding the Fourth Proportional to 360,535.41, 540,927.95 and 135,960.26

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Solution

The fourth proportional to 360,535.41, 540,927.95 and 135,960.26 is: 203,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,535.41 : 540,927.95 = 135,960.26 : x
  2. Step 2: Convert to fraction form
    360,535.41/540,927.95 = 135,960.26/x
  3. Step 3: Cross multiply
    360,535.41x = 540,927.95 × 135,960.26
  4. Step 4: Simplify right side
    360,535.41x = 73,544,701,338.83
  5. Step 5: Solve for x
    x = 73,544,701,338.83/360,535.41
  6. Step 6: Final answer
    x = 203,987.46

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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.