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Finding the Fourth Proportional to 262,206.88, 393,267.96 and 84,714.76

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Solution

The fourth proportional to 262,206.88, 393,267.96 and 84,714.76 is: 127,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,206.88 : 393,267.96 = 84,714.76 : x
  2. Step 2: Convert to fraction form
    262,206.88/393,267.96 = 84,714.76/x
  3. Step 3: Cross multiply
    262,206.88x = 393,267.96 × 84,714.76
  4. Step 4: Simplify right side
    262,206.88x = 33,315,600,847.09
  5. Step 5: Solve for x
    x = 33,315,600,847.09/262,206.88
  6. Step 6: Final answer
    x = 127,058.45

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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.