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Finding the Fourth Proportional to 576,064.02, 863,726.03 and 239,337.30

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Solution

The fourth proportional to 576,064.02, 863,726.03 and 239,337.30 is: 358,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,064.02 : 863,726.03 = 239,337.30 : x
  2. Step 2: Convert to fraction form
    576,064.02/863,726.03 = 239,337.30/x
  3. Step 3: Cross multiply
    576,064.02x = 863,726.03 × 239,337.30
  4. Step 4: Simplify right side
    576,064.02x = 206,721,854,763.23
  5. Step 5: Solve for x
    x = 206,721,854,763.23/576,064.02
  6. Step 6: Final answer
    x = 358,852.22

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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.