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Finding the Fourth Proportional to 482,549.84, 665,912.58 and 261,783.89

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Solution

The fourth proportional to 482,549.84, 665,912.58 and 261,783.89 is: 361,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,549.84 : 665,912.58 = 261,783.89 : x
  2. Step 2: Convert to fraction form
    482,549.84/665,912.58 = 261,783.89/x
  3. Step 3: Cross multiply
    482,549.84x = 665,912.58 × 261,783.89
  4. Step 4: Simplify right side
    482,549.84x = 174,325,182,262.77
  5. Step 5: Solve for x
    x = 174,325,182,262.77/482,549.84
  6. Step 6: Final answer
    x = 361,258.40

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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.