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Finding the Fourth Proportional to 683,939.65, 943,951.53 and 463,076.77

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Solution

The fourth proportional to 683,939.65, 943,951.53 and 463,076.77 is: 639,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,939.65 : 943,951.53 = 463,076.77 : x
  2. Step 2: Convert to fraction form
    683,939.65/943,951.53 = 463,076.77/x
  3. Step 3: Cross multiply
    683,939.65x = 943,951.53 × 463,076.77
  4. Step 4: Simplify right side
    683,939.65x = 437,122,025,548.96
  5. Step 5: Solve for x
    x = 437,122,025,548.96/683,939.65
  6. Step 6: Final answer
    x = 639,123.68

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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.