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Finding the Fourth Proportional to 536,636.10, 804,954.15 and 256,700.10

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Solution

The fourth proportional to 536,636.10, 804,954.15 and 256,700.10 is: 385,050.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,636.10 : 804,954.15 = 256,700.10 : x
  2. Step 2: Convert to fraction form
    536,636.10/804,954.15 = 256,700.10/x
  3. Step 3: Cross multiply
    536,636.10x = 804,954.15 × 256,700.10
  4. Step 4: Simplify right side
    536,636.10x = 206,631,810,800.42
  5. Step 5: Solve for x
    x = 206,631,810,800.42/536,636.10
  6. Step 6: Final answer
    x = 385,050.15

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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.