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Finding the Fourth Proportional to 229,805.40, 344,708.10 and 170,756.40

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Solution

The fourth proportional to 229,805.40, 344,708.10 and 170,756.40 is: 256,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,805.40 : 344,708.10 = 170,756.40 : x
  2. Step 2: Convert to fraction form
    229,805.40/344,708.10 = 170,756.40/x
  3. Step 3: Cross multiply
    229,805.40x = 344,708.10 × 170,756.40
  4. Step 4: Simplify right side
    229,805.40x = 58,861,114,206.84
  5. Step 5: Solve for x
    x = 58,861,114,206.84/229,805.40
  6. Step 6: Final answer
    x = 256,134.60

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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.