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Finding the Fourth Proportional to 292,487.94, 403,640.73 and 179,373.06

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Solution

The fourth proportional to 292,487.94, 403,640.73 and 179,373.06 is: 247,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,487.94 : 403,640.73 = 179,373.06 : x
  2. Step 2: Convert to fraction form
    292,487.94/403,640.73 = 179,373.06/x
  3. Step 3: Cross multiply
    292,487.94x = 403,640.73 × 179,373.06
  4. Step 4: Simplify right side
    292,487.94x = 72,402,272,880.73
  5. Step 5: Solve for x
    x = 72,402,272,880.73/292,487.94
  6. Step 6: Final answer
    x = 247,539.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.