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Finding the Fourth Proportional to 624,220.20, 936,330.30 and 606,724.20

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Solution

The fourth proportional to 624,220.20, 936,330.30 and 606,724.20 is: 910,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,220.20 : 936,330.30 = 606,724.20 : x
  2. Step 2: Convert to fraction form
    624,220.20/936,330.30 = 606,724.20/x
  3. Step 3: Cross multiply
    624,220.20x = 936,330.30 × 606,724.20
  4. Step 4: Simplify right side
    624,220.20x = 568,094,252,203.26
  5. Step 5: Solve for x
    x = 568,094,252,203.26/624,220.20
  6. Step 6: Final answer
    x = 910,086.30

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Half scale
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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.