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Finding the Fourth Proportional to 489,282.40, 733,923.60 and 329,850.10

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Solution

The fourth proportional to 489,282.40, 733,923.60 and 329,850.10 is: 494,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,282.40 : 733,923.60 = 329,850.10 : x
  2. Step 2: Convert to fraction form
    489,282.40/733,923.60 = 329,850.10/x
  3. Step 3: Cross multiply
    489,282.40x = 733,923.60 × 329,850.10
  4. Step 4: Simplify right side
    489,282.40x = 242,084,772,852.36
  5. Step 5: Solve for x
    x = 242,084,772,852.36/489,282.40
  6. Step 6: Final answer
    x = 494,775.15

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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.