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Finding the Fourth Proportional to 437,228.20, 655,842.42 and 337,533.92

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Solution

The fourth proportional to 437,228.20, 655,842.42 and 337,533.92 is: 506,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,228.20 : 655,842.42 = 337,533.92 : x
  2. Step 2: Convert to fraction form
    437,228.20/655,842.42 = 337,533.92/x
  3. Step 3: Cross multiply
    437,228.20x = 655,842.42 × 337,533.92
  4. Step 4: Simplify right side
    437,228.20x = 221,369,062,924.89
  5. Step 5: Solve for x
    x = 221,369,062,924.89/437,228.20
  6. Step 6: Final answer
    x = 506,300.97

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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.