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Finding the Fourth Proportional to 347,801.40, 522,047.70 and 170,508.60

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Solution

The fourth proportional to 347,801.40, 522,047.70 and 170,508.60 is: 255,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,801.40 : 522,047.70 = 170,508.60 : x
  2. Step 2: Convert to fraction form
    347,801.40/522,047.70 = 170,508.60/x
  3. Step 3: Cross multiply
    347,801.40x = 522,047.70 × 170,508.60
  4. Step 4: Simplify right side
    347,801.40x = 89,013,622,460.22
  5. Step 5: Solve for x
    x = 89,013,622,460.22/347,801.40
  6. Step 6: Final answer
    x = 255,932.33

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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.