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Finding the Fourth Proportional to 536,483.10, 804,724.65 and 270,140.70

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Solution

The fourth proportional to 536,483.10, 804,724.65 and 270,140.70 is: 405,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,483.10 : 804,724.65 = 270,140.70 : x
  2. Step 2: Convert to fraction form
    536,483.10/804,724.65 = 270,140.70/x
  3. Step 3: Cross multiply
    536,483.10x = 804,724.65 × 270,140.70
  4. Step 4: Simplify right side
    536,483.10x = 217,388,880,258.26
  5. Step 5: Solve for x
    x = 217,388,880,258.26/536,483.10
  6. Step 6: Final answer
    x = 405,211.05

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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.