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Finding the Fourth Proportional to 329,580.90, 454,833.90 and 186,332.40

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Solution

The fourth proportional to 329,580.90, 454,833.90 and 186,332.40 is: 257,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,580.90 : 454,833.90 = 186,332.40 : x
  2. Step 2: Convert to fraction form
    329,580.90/454,833.90 = 186,332.40/x
  3. Step 3: Cross multiply
    329,580.90x = 454,833.90 × 186,332.40
  4. Step 4: Simplify right side
    329,580.90x = 84,750,293,195.24
  5. Step 5: Solve for x
    x = 84,750,293,195.24/329,580.90
  6. Step 6: Final answer
    x = 257,145.64

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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.