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Finding the Fourth Proportional to 488,795.60, 733,193.40 and 339,496.40

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Solution

The fourth proportional to 488,795.60, 733,193.40 and 339,496.40 is: 509,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,795.60 : 733,193.40 = 339,496.40 : x
  2. Step 2: Convert to fraction form
    488,795.60/733,193.40 = 339,496.40/x
  3. Step 3: Cross multiply
    488,795.60x = 733,193.40 × 339,496.40
  4. Step 4: Simplify right side
    488,795.60x = 248,916,519,803.76
  5. Step 5: Solve for x
    x = 248,916,519,803.76/488,795.60
  6. Step 6: Final answer
    x = 509,244.60

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Double scale
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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.