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Finding the Fourth Proportional to 351,204.40, 526,806.60 and 345,955.60

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Solution

The fourth proportional to 351,204.40, 526,806.60 and 345,955.60 is: 518,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,204.40 : 526,806.60 = 345,955.60 : x
  2. Step 2: Convert to fraction form
    351,204.40/526,806.60 = 345,955.60/x
  3. Step 3: Cross multiply
    351,204.40x = 526,806.60 × 345,955.60
  4. Step 4: Simplify right side
    351,204.40x = 182,251,693,386.96
  5. Step 5: Solve for x
    x = 182,251,693,386.96/351,204.40
  6. Step 6: Final answer
    x = 518,933.40

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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.