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Finding the Fourth Proportional to 295,330.30, 407,385.97 and 186,395.91

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Solution

The fourth proportional to 295,330.30, 407,385.97 and 186,395.91 is: 257,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,330.30 : 407,385.97 = 186,395.91 : x
  2. Step 2: Convert to fraction form
    295,330.30/407,385.97 = 186,395.91/x
  3. Step 3: Cross multiply
    295,330.30x = 407,385.97 × 186,395.91
  4. Step 4: Simplify right side
    295,330.30x = 75,935,078,133.39
  5. Step 5: Solve for x
    x = 75,935,078,133.39/295,330.30
  6. Step 6: Final answer
    x = 257,119.16

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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.