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Finding the Fourth Proportional to 262,884.40, 393,808.20 and 151,946.80

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Solution

The fourth proportional to 262,884.40, 393,808.20 and 151,946.80 is: 227,620.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,884.40 : 393,808.20 = 151,946.80 : x
  2. Step 2: Convert to fraction form
    262,884.40/393,808.20 = 151,946.80/x
  3. Step 3: Cross multiply
    262,884.40x = 393,808.20 × 151,946.80
  4. Step 4: Simplify right side
    262,884.40x = 59,837,895,803.76
  5. Step 5: Solve for x
    x = 59,837,895,803.76/262,884.40
  6. Step 6: Final answer
    x = 227,620.57

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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.