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Finding the Fourth Proportional to 482,645.40, 723,968.10 and 202,133.40

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Solution

The fourth proportional to 482,645.40, 723,968.10 and 202,133.40 is: 303,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,645.40 : 723,968.10 = 202,133.40 : x
  2. Step 2: Convert to fraction form
    482,645.40/723,968.10 = 202,133.40/x
  3. Step 3: Cross multiply
    482,645.40x = 723,968.10 × 202,133.40
  4. Step 4: Simplify right side
    482,645.40x = 146,338,133,544.54
  5. Step 5: Solve for x
    x = 146,338,133,544.54/482,645.40
  6. Step 6: Final answer
    x = 303,200.10

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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.