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Finding the Fourth Proportional to 360,448.17, 540,754.26 and 191,879.67

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Solution

The fourth proportional to 360,448.17, 540,754.26 and 191,879.67 is: 287,863.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,448.17 : 540,754.26 = 191,879.67 : x
  2. Step 2: Convert to fraction form
    360,448.17/540,754.26 = 191,879.67/x
  3. Step 3: Cross multiply
    360,448.17x = 540,754.26 × 191,879.67
  4. Step 4: Simplify right side
    360,448.17x = 103,759,748,959.89
  5. Step 5: Solve for x
    x = 103,759,748,959.89/360,448.17
  6. Step 6: Final answer
    x = 287,863.16

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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.