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Finding the Fourth Proportional to 532,647.76, 798,974.66 and 177,660.81

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Solution

The fourth proportional to 532,647.76, 798,974.66 and 177,660.81 is: 266,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,647.76 : 798,974.66 = 177,660.81 : x
  2. Step 2: Convert to fraction form
    532,647.76/798,974.66 = 177,660.81/x
  3. Step 3: Cross multiply
    532,647.76x = 798,974.66 × 177,660.81
  4. Step 4: Simplify right side
    532,647.76x = 141,946,480,381.90
  5. Step 5: Solve for x
    x = 141,946,480,381.90/532,647.76
  6. Step 6: Final answer
    x = 266,492.21

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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.