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Finding the Fourth Proportional to 406,487.60, 608,856.60 and 336,503.60

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Solution

The fourth proportional to 406,487.60, 608,856.60 and 336,503.60 is: 504,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,487.60 : 608,856.60 = 336,503.60 : x
  2. Step 2: Convert to fraction form
    406,487.60/608,856.60 = 336,503.60/x
  3. Step 3: Cross multiply
    406,487.60x = 608,856.60 × 336,503.60
  4. Step 4: Simplify right side
    406,487.60x = 204,882,437,783.76
  5. Step 5: Solve for x
    x = 204,882,437,783.76/406,487.60
  6. Step 6: Final answer
    x = 504,031.21

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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.