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Finding the Fourth Proportional to 576,123.40, 863,493.90 and 295,496.20

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Solution

The fourth proportional to 576,123.40, 863,493.90 and 295,496.20 is: 442,889.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,123.40 : 863,493.90 = 295,496.20 : x
  2. Step 2: Convert to fraction form
    576,123.40/863,493.90 = 295,496.20/x
  3. Step 3: Cross multiply
    576,123.40x = 863,493.90 × 295,496.20
  4. Step 4: Simplify right side
    576,123.40x = 255,159,166,173.18
  5. Step 5: Solve for x
    x = 255,159,166,173.18/576,123.40
  6. Step 6: Final answer
    x = 442,889.78

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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.