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Finding the Fourth Proportional to 353,234.40, 529,851.60 and 347,402.40

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Solution

The fourth proportional to 353,234.40, 529,851.60 and 347,402.40 is: 521,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,234.40 : 529,851.60 = 347,402.40 : x
  2. Step 2: Convert to fraction form
    353,234.40/529,851.60 = 347,402.40/x
  3. Step 3: Cross multiply
    353,234.40x = 529,851.60 × 347,402.40
  4. Step 4: Simplify right side
    353,234.40x = 184,071,717,483.84
  5. Step 5: Solve for x
    x = 184,071,717,483.84/353,234.40
  6. Step 6: Final answer
    x = 521,103.60

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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.