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Finding the Fourth Proportional to 322,765.92, 482,846.40 and 289,154.16

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Solution

The fourth proportional to 322,765.92, 482,846.40 and 289,154.16 is: 432,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,765.92 : 482,846.40 = 289,154.16 : x
  2. Step 2: Convert to fraction form
    322,765.92/482,846.40 = 289,154.16/x
  3. Step 3: Cross multiply
    322,765.92x = 482,846.40 × 289,154.16
  4. Step 4: Simplify right side
    322,765.92x = 139,617,045,201.02
  5. Step 5: Solve for x
    x = 139,617,045,201.02/322,765.92
  6. Step 6: Final answer
    x = 432,564.40

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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.