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Finding the Fourth Proportional to 347,798.40, 522,043.20 and 170,505.60

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Solution

The fourth proportional to 347,798.40, 522,043.20 and 170,505.60 is: 255,927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,798.40 : 522,043.20 = 170,505.60 : x
  2. Step 2: Convert to fraction form
    347,798.40/522,043.20 = 170,505.60/x
  3. Step 3: Cross multiply
    347,798.40x = 522,043.20 × 170,505.60
  4. Step 4: Simplify right side
    347,798.40x = 89,011,289,041.92
  5. Step 5: Solve for x
    x = 89,011,289,041.92/347,798.40
  6. Step 6: Final answer
    x = 255,927.83

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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.