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Finding the Fourth Proportional to 349,244.80, 524,097.60 and 127,628.80

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Solution

The fourth proportional to 349,244.80, 524,097.60 and 127,628.80 is: 191,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,244.80 : 524,097.60 = 127,628.80 : x
  2. Step 2: Convert to fraction form
    349,244.80/524,097.60 = 127,628.80/x
  3. Step 3: Cross multiply
    349,244.80x = 524,097.60 × 127,628.80
  4. Step 4: Simplify right side
    349,244.80x = 66,889,947,770.88
  5. Step 5: Solve for x
    x = 66,889,947,770.88/349,244.80
  6. Step 6: Final answer
    x = 191,527.40

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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.