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Finding the Fourth Proportional to 344,859.36, 516,817.46 and 260,550.50

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Solution

The fourth proportional to 344,859.36, 516,817.46 and 260,550.50 is: 390,469.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,859.36 : 516,817.46 = 260,550.50 : x
  2. Step 2: Convert to fraction form
    344,859.36/516,817.46 = 260,550.50/x
  3. Step 3: Cross multiply
    344,859.36x = 516,817.46 × 260,550.50
  4. Step 4: Simplify right side
    344,859.36x = 134,657,047,611.73
  5. Step 5: Solve for x
    x = 134,657,047,611.73/344,859.36
  6. Step 6: Final answer
    x = 390,469.46

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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.