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Finding the Fourth Proportional to 553,673.77, 830,445.04 and 179,696.77

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Solution

The fourth proportional to 553,673.77, 830,445.04 and 179,696.77 is: 269,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,673.77 : 830,445.04 = 179,696.77 : x
  2. Step 2: Convert to fraction form
    553,673.77/830,445.04 = 179,696.77/x
  3. Step 3: Cross multiply
    553,673.77x = 830,445.04 × 179,696.77
  4. Step 4: Simplify right side
    553,673.77x = 149,228,291,350.52
  5. Step 5: Solve for x
    x = 149,228,291,350.52/553,673.77
  6. Step 6: Final answer
    x = 269,523.86

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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.