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Finding the Fourth Proportional to 262,499.86, 393,496.26 and 84,886.30

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Solution

The fourth proportional to 262,499.86, 393,496.26 and 84,886.30 is: 127,247.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,499.86 : 393,496.26 = 84,886.30 : x
  2. Step 2: Convert to fraction form
    262,499.86/393,496.26 = 84,886.30/x
  3. Step 3: Cross multiply
    262,499.86x = 393,496.26 × 84,886.30
  4. Step 4: Simplify right side
    262,499.86x = 33,402,441,575.24
  5. Step 5: Solve for x
    x = 33,402,441,575.24/262,499.86
  6. Step 6: Final answer
    x = 127,247.46

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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.