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Finding the Fourth Proportional to 539,372.40, 808,410.60 and 223,666.80

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Solution

The fourth proportional to 539,372.40, 808,410.60 and 223,666.80 is: 335,231.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,372.40 : 808,410.60 = 223,666.80 : x
  2. Step 2: Convert to fraction form
    539,372.40/808,410.60 = 223,666.80/x
  3. Step 3: Cross multiply
    539,372.40x = 808,410.60 × 223,666.80
  4. Step 4: Simplify right side
    539,372.40x = 180,814,611,988.08
  5. Step 5: Solve for x
    x = 180,814,611,988.08/539,372.40
  6. Step 6: Final answer
    x = 335,231.49

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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.