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Finding the Fourth Proportional to 615,093.80, 922,640.70 and 377,666.60

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Solution

The fourth proportional to 615,093.80, 922,640.70 and 377,666.60 is: 566,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,093.80 : 922,640.70 = 377,666.60 : x
  2. Step 2: Convert to fraction form
    615,093.80/922,640.70 = 377,666.60/x
  3. Step 3: Cross multiply
    615,093.80x = 922,640.70 × 377,666.60
  4. Step 4: Simplify right side
    615,093.80x = 348,450,576,190.62
  5. Step 5: Solve for x
    x = 348,450,576,190.62/615,093.80
  6. Step 6: Final answer
    x = 566,499.90

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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.