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Finding the Fourth Proportional to 536,632.10, 804,948.15 and 256,696.10

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Solution

The fourth proportional to 536,632.10, 804,948.15 and 256,696.10 is: 385,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,632.10 : 804,948.15 = 256,696.10 : x
  2. Step 2: Convert to fraction form
    536,632.10/804,948.15 = 256,696.10/x
  3. Step 3: Cross multiply
    536,632.10x = 804,948.15 × 256,696.10
  4. Step 4: Simplify right side
    536,632.10x = 206,627,050,807.22
  5. Step 5: Solve for x
    x = 206,627,050,807.22/536,632.10
  6. Step 6: Final answer
    x = 385,044.15

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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.