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Finding the Fourth Proportional to 437,598.70, 655,085.85 and 260,014.30

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Solution

The fourth proportional to 437,598.70, 655,085.85 and 260,014.30 is: 389,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,598.70 : 655,085.85 = 260,014.30 : x
  2. Step 2: Convert to fraction form
    437,598.70/655,085.85 = 260,014.30/x
  3. Step 3: Cross multiply
    437,598.70x = 655,085.85 × 260,014.30
  4. Step 4: Simplify right side
    437,598.70x = 170,331,688,727.66
  5. Step 5: Solve for x
    x = 170,331,688,727.66/437,598.70
  6. Step 6: Final answer
    x = 389,241.76

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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.