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Finding the Fourth Proportional to 367,453.61, 507,068.85 and 204,120.70

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Solution

The fourth proportional to 367,453.61, 507,068.85 and 204,120.70 is: 281,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,453.61 : 507,068.85 = 204,120.70 : x
  2. Step 2: Convert to fraction form
    367,453.61/507,068.85 = 204,120.70/x
  3. Step 3: Cross multiply
    367,453.61x = 507,068.85 × 204,120.70
  4. Step 4: Simplify right side
    367,453.61x = 103,503,249,812.06
  5. Step 5: Solve for x
    x = 103,503,249,812.06/367,453.61
  6. Step 6: Final answer
    x = 281,677.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.