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Finding the Fourth Proportional to 580,490.56, 801,070.32 and 325,835.20

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Solution

The fourth proportional to 580,490.56, 801,070.32 and 325,835.20 is: 449,648.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,490.56 : 801,070.32 = 325,835.20 : x
  2. Step 2: Convert to fraction form
    580,490.56/801,070.32 = 325,835.20/x
  3. Step 3: Cross multiply
    580,490.56x = 801,070.32 × 325,835.20
  4. Step 4: Simplify right side
    580,490.56x = 261,016,907,931.26
  5. Step 5: Solve for x
    x = 261,016,907,931.26/580,490.56
  6. Step 6: Final answer
    x = 449,648.84

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1.5x scale

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.