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Finding the Fourth Proportional to 273,357.90, 409,858.65 and 245,364.30

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Solution

The fourth proportional to 273,357.90, 409,858.65 and 245,364.30 is: 367,886.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,357.90 : 409,858.65 = 245,364.30 : x
  2. Step 2: Convert to fraction form
    273,357.90/409,858.65 = 245,364.30/x
  3. Step 3: Cross multiply
    273,357.90x = 409,858.65 × 245,364.30
  4. Step 4: Simplify right side
    273,357.90x = 100,564,680,756.20
  5. Step 5: Solve for x
    x = 100,564,680,756.20/273,357.90
  6. Step 6: Final answer
    x = 367,886.50

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1.5x scale

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.