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Finding the Fourth Proportional to 547,897.94, 756,096.95 and 306,180.46

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Solution

The fourth proportional to 547,897.94, 756,096.95 and 306,180.46 is: 422,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,897.94 : 756,096.95 = 306,180.46 : x
  2. Step 2: Convert to fraction form
    547,897.94/756,096.95 = 306,180.46/x
  3. Step 3: Cross multiply
    547,897.94x = 756,096.95 × 306,180.46
  4. Step 4: Simplify right side
    547,897.94x = 231,502,107,690.86
  5. Step 5: Solve for x
    x = 231,502,107,690.86/547,897.94
  6. Step 6: Final answer
    x = 422,527.79

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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.