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Finding the Fourth Proportional to 540,760.40, 746,235.24 and 299,036.24

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Solution

The fourth proportional to 540,760.40, 746,235.24 and 299,036.24 is: 412,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,760.40 : 746,235.24 = 299,036.24 : x
  2. Step 2: Convert to fraction form
    540,760.40/746,235.24 = 299,036.24/x
  3. Step 3: Cross multiply
    540,760.40x = 746,235.24 × 299,036.24
  4. Step 4: Simplify right side
    540,760.40x = 223,151,380,325.10
  5. Step 5: Solve for x
    x = 223,151,380,325.10/540,760.40
  6. Step 6: Final answer
    x = 412,662.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.