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Finding the Fourth Proportional to 426,059.28, 587,856.96 and 260,445.42

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Solution

The fourth proportional to 426,059.28, 587,856.96 and 260,445.42 is: 359,350.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,059.28 : 587,856.96 = 260,445.42 : x
  2. Step 2: Convert to fraction form
    426,059.28/587,856.96 = 260,445.42/x
  3. Step 3: Cross multiply
    426,059.28x = 587,856.96 × 260,445.42
  4. Step 4: Simplify right side
    426,059.28x = 153,104,652,847.12
  5. Step 5: Solve for x
    x = 153,104,652,847.12/426,059.28
  6. Step 6: Final answer
    x = 359,350.59

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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.