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Finding the Fourth Proportional to 557,809.20, 836,713.80 and 183,783.60

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Solution

The fourth proportional to 557,809.20, 836,713.80 and 183,783.60 is: 275,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,809.20 : 836,713.80 = 183,783.60 : x
  2. Step 2: Convert to fraction form
    557,809.20/836,713.80 = 183,783.60/x
  3. Step 3: Cross multiply
    557,809.20x = 836,713.80 × 183,783.60
  4. Step 4: Simplify right side
    557,809.20x = 153,774,274,333.68
  5. Step 5: Solve for x
    x = 153,774,274,333.68/557,809.20
  6. Step 6: Final answer
    x = 275,675.40

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Half scale
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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.