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Finding the Fourth Proportional to 609,793.60, 912,940.80 and 373,597.60

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Solution

The fourth proportional to 609,793.60, 912,940.80 and 373,597.60 is: 559,324.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,793.60 : 912,940.80 = 373,597.60 : x
  2. Step 2: Convert to fraction form
    609,793.60/912,940.80 = 373,597.60/x
  3. Step 3: Cross multiply
    609,793.60x = 912,940.80 × 373,597.60
  4. Step 4: Simplify right side
    609,793.60x = 341,072,491,822.08
  5. Step 5: Solve for x
    x = 341,072,491,822.08/609,793.60
  6. Step 6: Final answer
    x = 559,324.49

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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.