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Finding the Fourth Proportional to 576,258.13, 863,939.52 and 373,425.76

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Solution

The fourth proportional to 576,258.13, 863,939.52 and 373,425.76 is: 559,848.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,258.13 : 863,939.52 = 373,425.76 : x
  2. Step 2: Convert to fraction form
    576,258.13/863,939.52 = 373,425.76/x
  3. Step 3: Cross multiply
    576,258.13x = 863,939.52 × 373,425.76
  4. Step 4: Simplify right side
    576,258.13x = 322,617,267,530.34
  5. Step 5: Solve for x
    x = 322,617,267,530.34/576,258.13
  6. Step 6: Final answer
    x = 559,848.54

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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.