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Finding the Fourth Proportional to 330,875.01, 456,607.46 and 187,635.07

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Solution

The fourth proportional to 330,875.01, 456,607.46 and 187,635.07 is: 258,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,875.01 : 456,607.46 = 187,635.07 : x
  2. Step 2: Convert to fraction form
    330,875.01/456,607.46 = 187,635.07/x
  3. Step 3: Cross multiply
    330,875.01x = 456,607.46 × 187,635.07
  4. Step 4: Simplify right side
    330,875.01x = 85,675,571,191.05
  5. Step 5: Solve for x
    x = 85,675,571,191.05/330,875.01
  6. Step 6: Final answer
    x = 258,936.36

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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.