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Finding the Fourth Proportional to 352,693.20, 529,039.80 and 347,444.40

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Solution

The fourth proportional to 352,693.20, 529,039.80 and 347,444.40 is: 521,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,693.20 : 529,039.80 = 347,444.40 : x
  2. Step 2: Convert to fraction form
    352,693.20/529,039.80 = 347,444.40/x
  3. Step 3: Cross multiply
    352,693.20x = 529,039.80 × 347,444.40
  4. Step 4: Simplify right side
    352,693.20x = 183,811,915,887.12
  5. Step 5: Solve for x
    x = 183,811,915,887.12/352,693.20
  6. Step 6: Final answer
    x = 521,166.60

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Similar ratio
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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.