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Finding the Fourth Proportional to 496,013.60, 744,250.80 and 259,623.20

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Solution

The fourth proportional to 496,013.60, 744,250.80 and 259,623.20 is: 389,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,013.60 : 744,250.80 = 259,623.20 : x
  2. Step 2: Convert to fraction form
    496,013.60/744,250.80 = 259,623.20/x
  3. Step 3: Cross multiply
    496,013.60x = 744,250.80 × 259,623.20
  4. Step 4: Simplify right side
    496,013.60x = 193,224,774,298.56
  5. Step 5: Solve for x
    x = 193,224,774,298.56/496,013.60
  6. Step 6: Final answer
    x = 389,555.40

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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.