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Finding the Fourth Proportional to 330,714.34, 456,385.18 and 179,810.98

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Solution

The fourth proportional to 330,714.34, 456,385.18 and 179,810.98 is: 248,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,714.34 : 456,385.18 = 179,810.98 : x
  2. Step 2: Convert to fraction form
    330,714.34/456,385.18 = 179,810.98/x
  3. Step 3: Cross multiply
    330,714.34x = 456,385.18 × 179,810.98
  4. Step 4: Simplify right side
    330,714.34x = 82,063,066,473.28
  5. Step 5: Solve for x
    x = 82,063,066,473.28/330,714.34
  6. Step 6: Final answer
    x = 248,138.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.