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Finding the Fourth Proportional to 576,123.66, 794,931.98 and 331,061.04

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Solution

The fourth proportional to 576,123.66, 794,931.98 and 331,061.04 is: 456,796.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,123.66 : 794,931.98 = 331,061.04 : x
  2. Step 2: Convert to fraction form
    576,123.66/794,931.98 = 331,061.04/x
  3. Step 3: Cross multiply
    576,123.66x = 794,931.98 × 331,061.04
  4. Step 4: Simplify right side
    576,123.66x = 263,171,006,372.75
  5. Step 5: Solve for x
    x = 263,171,006,372.75/576,123.66
  6. Step 6: Final answer
    x = 456,796.04

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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.