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Finding the Fourth Proportional to 360,285.22, 540,537.18 and 191,776.87

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Solution

The fourth proportional to 360,285.22, 540,537.18 and 191,776.87 is: 287,723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,285.22 : 540,537.18 = 191,776.87 : x
  2. Step 2: Convert to fraction form
    360,285.22/540,537.18 = 191,776.87/x
  3. Step 3: Cross multiply
    360,285.22x = 540,537.18 × 191,776.87
  4. Step 4: Simplify right side
    360,285.22x = 103,662,528,499.03
  5. Step 5: Solve for x
    x = 103,662,528,499.03/360,285.22
  6. Step 6: Final answer
    x = 287,723.51

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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.