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Finding the Fourth Proportional to 295,816.40, 443,465.40 and 177,534.80

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Solution

The fourth proportional to 295,816.40, 443,465.40 and 177,534.80 is: 266,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,816.40 : 443,465.40 = 177,534.80 : x
  2. Step 2: Convert to fraction form
    295,816.40/443,465.40 = 177,534.80/x
  3. Step 3: Cross multiply
    295,816.40x = 443,465.40 × 177,534.80
  4. Step 4: Simplify right side
    295,816.40x = 78,730,541,095.92
  5. Step 5: Solve for x
    x = 78,730,541,095.92/295,816.40
  6. Step 6: Final answer
    x = 266,146.64

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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.