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Finding the Fourth Proportional to 262,301.60, 393,549.60 and 84,814.40

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Solution

The fourth proportional to 262,301.60, 393,549.60 and 84,814.40 is: 127,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,301.60 : 393,549.60 = 84,814.40 : x
  2. Step 2: Convert to fraction form
    262,301.60/393,549.60 = 84,814.40/x
  3. Step 3: Cross multiply
    262,301.60x = 393,549.60 × 84,814.40
  4. Step 4: Simplify right side
    262,301.60x = 33,378,673,194.24
  5. Step 5: Solve for x
    x = 33,378,673,194.24/262,301.60
  6. Step 6: Final answer
    x = 127,253.03

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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.