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Finding the Fourth Proportional to 273,386.60, 410,079.90 and 248,892.20

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Solution

The fourth proportional to 273,386.60, 410,079.90 and 248,892.20 is: 373,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,386.60 : 410,079.90 = 248,892.20 : x
  2. Step 2: Convert to fraction form
    273,386.60/410,079.90 = 248,892.20/x
  3. Step 3: Cross multiply
    273,386.60x = 410,079.90 × 248,892.20
  4. Step 4: Simplify right side
    273,386.60x = 102,065,688,486.78
  5. Step 5: Solve for x
    x = 102,065,688,486.78/273,386.60
  6. Step 6: Final answer
    x = 373,338.30

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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.