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Finding the Fourth Proportional to 536,638.35, 804,957.53 and 256,702.35

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Solution

The fourth proportional to 536,638.35, 804,957.53 and 256,702.35 is: 385,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,638.35 : 804,957.53 = 256,702.35 : x
  2. Step 2: Convert to fraction form
    536,638.35/804,957.53 = 256,702.35/x
  3. Step 3: Cross multiply
    536,638.35x = 804,957.53 × 256,702.35
  4. Step 4: Simplify right side
    536,638.35x = 206,634,488,317.68
  5. Step 5: Solve for x
    x = 206,634,488,317.68/536,638.35
  6. Step 6: Final answer
    x = 385,053.53

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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.