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Finding the Fourth Proportional to 506,414.80, 759,622.20 and 327,955.60

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Solution

The fourth proportional to 506,414.80, 759,622.20 and 327,955.60 is: 491,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,414.80 : 759,622.20 = 327,955.60 : x
  2. Step 2: Convert to fraction form
    506,414.80/759,622.20 = 327,955.60/x
  3. Step 3: Cross multiply
    506,414.80x = 759,622.20 × 327,955.60
  4. Step 4: Simplify right side
    506,414.80x = 249,122,354,374.32
  5. Step 5: Solve for x
    x = 249,122,354,374.32/506,414.80
  6. Step 6: Final answer
    x = 491,933.40

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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.