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Finding the Fourth Proportional to 273,412.60, 410,118.90 and 245,856.40

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Solution

The fourth proportional to 273,412.60, 410,118.90 and 245,856.40 is: 368,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,412.60 : 410,118.90 = 245,856.40 : x
  2. Step 2: Convert to fraction form
    273,412.60/410,118.90 = 245,856.40/x
  3. Step 3: Cross multiply
    273,412.60x = 410,118.90 × 245,856.40
  4. Step 4: Simplify right side
    273,412.60x = 100,830,356,325.96
  5. Step 5: Solve for x
    x = 100,830,356,325.96/273,412.60
  6. Step 6: Final answer
    x = 368,784.60

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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.