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Finding the Fourth Proportional to 609,063.60, 911,627.10 and 475,219.20

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Solution

The fourth proportional to 609,063.60, 911,627.10 and 475,219.20 is: 711,293.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,063.60 : 911,627.10 = 475,219.20 : x
  2. Step 2: Convert to fraction form
    609,063.60/911,627.10 = 475,219.20/x
  3. Step 3: Cross multiply
    609,063.60x = 911,627.10 × 475,219.20
  4. Step 4: Simplify right side
    609,063.60x = 433,222,701,160.32
  5. Step 5: Solve for x
    x = 433,222,701,160.32/609,063.60
  6. Step 6: Final answer
    x = 711,293.04

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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.