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Finding the Fourth Proportional to 453,928.60, 680,892.90 and 365,355.10

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Solution

The fourth proportional to 453,928.60, 680,892.90 and 365,355.10 is: 548,032.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,928.60 : 680,892.90 = 365,355.10 : x
  2. Step 2: Convert to fraction form
    453,928.60/680,892.90 = 365,355.10/x
  3. Step 3: Cross multiply
    453,928.60x = 680,892.90 × 365,355.10
  4. Step 4: Simplify right side
    453,928.60x = 248,767,693,568.79
  5. Step 5: Solve for x
    x = 248,767,693,568.79/453,928.60
  6. Step 6: Final answer
    x = 548,032.65

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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.