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Finding the Fourth Proportional to 330,094.65, 455,531.99 and 186,882.33

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Solution

The fourth proportional to 330,094.65, 455,531.99 and 186,882.33 is: 257,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,094.65 : 455,531.99 = 186,882.33 : x
  2. Step 2: Convert to fraction form
    330,094.65/455,531.99 = 186,882.33/x
  3. Step 3: Cross multiply
    330,094.65x = 455,531.99 × 186,882.33
  4. Step 4: Simplify right side
    330,094.65x = 85,130,878,746.33
  5. Step 5: Solve for x
    x = 85,130,878,746.33/330,094.65
  6. Step 6: Final answer
    x = 257,898.39

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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.