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Finding the Fourth Proportional to 578,373.94, 867,535.39 and 157,649.82

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Solution

The fourth proportional to 578,373.94, 867,535.39 and 157,649.82 is: 236,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,373.94 : 867,535.39 = 157,649.82 : x
  2. Step 2: Convert to fraction form
    578,373.94/867,535.39 = 157,649.82/x
  3. Step 3: Cross multiply
    578,373.94x = 867,535.39 × 157,649.82
  4. Step 4: Simplify right side
    578,373.94x = 136,766,798,077.13
  5. Step 5: Solve for x
    x = 136,766,798,077.13/578,373.94
  6. Step 6: Final answer
    x = 236,467.77

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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.