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Finding the Fourth Proportional to 330,001.88, 455,402.59 and 179,098.88

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Solution

The fourth proportional to 330,001.88, 455,402.59 and 179,098.88 is: 247,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,001.88 : 455,402.59 = 179,098.88 : x
  2. Step 2: Convert to fraction form
    330,001.88/455,402.59 = 179,098.88/x
  3. Step 3: Cross multiply
    330,001.88x = 455,402.59 × 179,098.88
  4. Step 4: Simplify right side
    330,001.88x = 81,562,091,093.34
  5. Step 5: Solve for x
    x = 81,562,091,093.34/330,001.88
  6. Step 6: Final answer
    x = 247,156.45

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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.