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Finding the Fourth Proportional to 482,490.40, 723,735.60 and 433,501.60

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Solution

The fourth proportional to 482,490.40, 723,735.60 and 433,501.60 is: 650,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,490.40 : 723,735.60 = 433,501.60 : x
  2. Step 2: Convert to fraction form
    482,490.40/723,735.60 = 433,501.60/x
  3. Step 3: Cross multiply
    482,490.40x = 723,735.60 × 433,501.60
  4. Step 4: Simplify right side
    482,490.40x = 313,740,540,576.96
  5. Step 5: Solve for x
    x = 313,740,540,576.96/482,490.40
  6. Step 6: Final answer
    x = 650,252.40

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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.