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Finding the Fourth Proportional to 578,174.76, 867,174.66 and 157,483.80

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Solution

The fourth proportional to 578,174.76, 867,174.66 and 157,483.80 is: 236,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,174.76 : 867,174.66 = 157,483.80 : x
  2. Step 2: Convert to fraction form
    578,174.76/867,174.66 = 157,483.80/x
  3. Step 3: Cross multiply
    578,174.76x = 867,174.66 × 157,483.80
  4. Step 4: Simplify right side
    578,174.76x = 136,565,960,720.51
  5. Step 5: Solve for x
    x = 136,565,960,720.51/578,174.76
  6. Step 6: Final answer
    x = 236,201.87

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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.