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Finding the Fourth Proportional to 537,087.40, 805,119.10 and 200,037.80

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Solution

The fourth proportional to 537,087.40, 805,119.10 and 200,037.80 is: 299,866.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,087.40 : 805,119.10 = 200,037.80 : x
  2. Step 2: Convert to fraction form
    537,087.40/805,119.10 = 200,037.80/x
  3. Step 3: Cross multiply
    537,087.40x = 805,119.10 × 200,037.80
  4. Step 4: Simplify right side
    537,087.40x = 161,054,253,501.98
  5. Step 5: Solve for x
    x = 161,054,253,501.98/537,087.40
  6. Step 6: Final answer
    x = 299,866.01

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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.