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Finding the Fourth Proportional to 491,285.60, 736,928.40 and 366,869.60

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Solution

The fourth proportional to 491,285.60, 736,928.40 and 366,869.60 is: 550,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,285.60 : 736,928.40 = 366,869.60 : x
  2. Step 2: Convert to fraction form
    491,285.60/736,928.40 = 366,869.60/x
  3. Step 3: Cross multiply
    491,285.60x = 736,928.40 × 366,869.60
  4. Step 4: Simplify right side
    491,285.60x = 270,356,627,336.64
  5. Step 5: Solve for x
    x = 270,356,627,336.64/491,285.60
  6. Step 6: Final answer
    x = 550,304.40

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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.