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Finding the Fourth Proportional to 389,151.16, 583,951.80 and 164,497.04

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Solution

The fourth proportional to 389,151.16, 583,951.80 and 164,497.04 is: 246,840.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,151.16 : 583,951.80 = 164,497.04 : x
  2. Step 2: Convert to fraction form
    389,151.16/583,951.80 = 164,497.04/x
  3. Step 3: Cross multiply
    389,151.16x = 583,951.80 × 164,497.04
  4. Step 4: Simplify right side
    389,151.16x = 96,058,342,602.67
  5. Step 5: Solve for x
    x = 96,058,342,602.67/389,151.16
  6. Step 6: Final answer
    x = 246,840.69

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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.