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Finding the Fourth Proportional to 360,028.80, 540,043.20 and 336,700.80

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Solution

The fourth proportional to 360,028.80, 540,043.20 and 336,700.80 is: 505,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,028.80 : 540,043.20 = 336,700.80 : x
  2. Step 2: Convert to fraction form
    360,028.80/540,043.20 = 336,700.80/x
  3. Step 3: Cross multiply
    360,028.80x = 540,043.20 × 336,700.80
  4. Step 4: Simplify right side
    360,028.80x = 181,832,977,474.56
  5. Step 5: Solve for x
    x = 181,832,977,474.56/360,028.80
  6. Step 6: Final answer
    x = 505,051.20

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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.