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Finding the Fourth Proportional to 491,608.40, 736,980.60 and 333,323.60

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Solution

The fourth proportional to 491,608.40, 736,980.60 and 333,323.60 is: 499,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,608.40 : 736,980.60 = 333,323.60 : x
  2. Step 2: Convert to fraction form
    491,608.40/736,980.60 = 333,323.60/x
  3. Step 3: Cross multiply
    491,608.40x = 736,980.60 × 333,323.60
  4. Step 4: Simplify right side
    491,608.40x = 245,653,026,722.16
  5. Step 5: Solve for x
    x = 245,653,026,722.16/491,608.40
  6. Step 6: Final answer
    x = 499,692.49

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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.