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Finding the Fourth Proportional to 264,425.16, 396,243.84 and 146,130.28

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Solution

The fourth proportional to 264,425.16, 396,243.84 and 146,130.28 is: 218,977.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,425.16 : 396,243.84 = 146,130.28 : x
  2. Step 2: Convert to fraction form
    264,425.16/396,243.84 = 146,130.28/x
  3. Step 3: Cross multiply
    264,425.16x = 396,243.84 × 146,130.28
  4. Step 4: Simplify right side
    264,425.16x = 57,903,223,287.48
  5. Step 5: Solve for x
    x = 57,903,223,287.48/264,425.16
  6. Step 6: Final answer
    x = 218,977.74

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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.