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Finding the Fourth Proportional to 406,084.40, 609,126.60 and 184,468.40

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Solution

The fourth proportional to 406,084.40, 609,126.60 and 184,468.40 is: 276,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,084.40 : 609,126.60 = 184,468.40 : x
  2. Step 2: Convert to fraction form
    406,084.40/609,126.60 = 184,468.40/x
  3. Step 3: Cross multiply
    406,084.40x = 609,126.60 × 184,468.40
  4. Step 4: Simplify right side
    406,084.40x = 112,364,609,299.44
  5. Step 5: Solve for x
    x = 112,364,609,299.44/406,084.40
  6. Step 6: Final answer
    x = 276,702.60

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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.