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Finding the Fourth Proportional to 347,336.30, 521,004.46 and 207,368.30

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Solution

The fourth proportional to 347,336.30, 521,004.46 and 207,368.30 is: 311,052.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,336.30 : 521,004.46 = 207,368.30 : x
  2. Step 2: Convert to fraction form
    347,336.30/521,004.46 = 207,368.30/x
  3. Step 3: Cross multiply
    347,336.30x = 521,004.46 × 207,368.30
  4. Step 4: Simplify right side
    347,336.30x = 108,039,809,162.62
  5. Step 5: Solve for x
    x = 108,039,809,162.62/347,336.30
  6. Step 6: Final answer
    x = 311,052.46

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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.