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Finding the Fourth Proportional to 333,043.08, 459,611.13 and 189,780.00

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Solution

The fourth proportional to 333,043.08, 459,611.13 and 189,780.00 is: 261,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,043.08 : 459,611.13 = 189,780.00 : x
  2. Step 2: Convert to fraction form
    333,043.08/459,611.13 = 189,780.00/x
  3. Step 3: Cross multiply
    333,043.08x = 459,611.13 × 189,780.00
  4. Step 4: Simplify right side
    333,043.08x = 87,224,997,953.34
  5. Step 5: Solve for x
    x = 87,224,997,953.34/333,043.08
  6. Step 6: Final answer
    x = 261,903.05

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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.