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Finding the Fourth Proportional to 559,941.60, 839,912.40 and 185,964.60

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Solution

The fourth proportional to 559,941.60, 839,912.40 and 185,964.60 is: 278,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,941.60 : 839,912.40 = 185,964.60 : x
  2. Step 2: Convert to fraction form
    559,941.60/839,912.40 = 185,964.60/x
  3. Step 3: Cross multiply
    559,941.60x = 839,912.40 × 185,964.60
  4. Step 4: Simplify right side
    559,941.60x = 156,193,973,501.04
  5. Step 5: Solve for x
    x = 156,193,973,501.04/559,941.60
  6. Step 6: Final answer
    x = 278,946.90

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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.