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Finding the Fourth Proportional to 363,041.40, 543,914.10 and 175,639.80

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Solution

The fourth proportional to 363,041.40, 543,914.10 and 175,639.80 is: 263,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,041.40 : 543,914.10 = 175,639.80 : x
  2. Step 2: Convert to fraction form
    363,041.40/543,914.10 = 175,639.80/x
  3. Step 3: Cross multiply
    363,041.40x = 543,914.10 × 175,639.80
  4. Step 4: Simplify right side
    363,041.40x = 95,532,963,741.18
  5. Step 5: Solve for x
    x = 95,532,963,741.18/363,041.40
  6. Step 6: Final answer
    x = 263,146.20

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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.