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Finding the Fourth Proportional to 393,952.60, 590,928.90 and 183,611.80

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Solution

The fourth proportional to 393,952.60, 590,928.90 and 183,611.80 is: 275,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,952.60 : 590,928.90 = 183,611.80 : x
  2. Step 2: Convert to fraction form
    393,952.60/590,928.90 = 183,611.80/x
  3. Step 3: Cross multiply
    393,952.60x = 590,928.90 × 183,611.80
  4. Step 4: Simplify right side
    393,952.60x = 108,501,519,001.02
  5. Step 5: Solve for x
    x = 108,501,519,001.02/393,952.60
  6. Step 6: Final answer
    x = 275,417.70

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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.