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Finding the Fourth Proportional to 557,539.20, 836,308.80 and 183,513.60

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Solution

The fourth proportional to 557,539.20, 836,308.80 and 183,513.60 is: 275,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,539.20 : 836,308.80 = 183,513.60 : x
  2. Step 2: Convert to fraction form
    557,539.20/836,308.80 = 183,513.60/x
  3. Step 3: Cross multiply
    557,539.20x = 836,308.80 × 183,513.60
  4. Step 4: Simplify right side
    557,539.20x = 153,474,038,599.68
  5. Step 5: Solve for x
    x = 153,474,038,599.68/557,539.20
  6. Step 6: Final answer
    x = 275,270.40

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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.