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Finding the Fourth Proportional to 256,301.70, 384,452.55 and 241,539.45

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Solution

The fourth proportional to 256,301.70, 384,452.55 and 241,539.45 is: 362,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,301.70 : 384,452.55 = 241,539.45 : x
  2. Step 2: Convert to fraction form
    256,301.70/384,452.55 = 241,539.45/x
  3. Step 3: Cross multiply
    256,301.70x = 384,452.55 × 241,539.45
  4. Step 4: Simplify right side
    256,301.70x = 92,860,457,478.10
  5. Step 5: Solve for x
    x = 92,860,457,478.10/256,301.70
  6. Step 6: Final answer
    x = 362,309.18

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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.