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Finding the Fourth Proportional to 437,597.70, 655,084.35 and 260,013.30

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Solution

The fourth proportional to 437,597.70, 655,084.35 and 260,013.30 is: 389,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,597.70 : 655,084.35 = 260,013.30 : x
  2. Step 2: Convert to fraction form
    437,597.70/655,084.35 = 260,013.30/x
  3. Step 3: Cross multiply
    437,597.70x = 655,084.35 × 260,013.30
  4. Step 4: Simplify right side
    437,597.70x = 170,330,643,621.86
  5. Step 5: Solve for x
    x = 170,330,643,621.86/437,597.70
  6. Step 6: Final answer
    x = 389,240.26

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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.