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Finding the Fourth Proportional to 330,975.26, 495,989.26 and 188,526.47

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Solution

The fourth proportional to 330,975.26, 495,989.26 and 188,526.47 is: 282,519.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,975.26 : 495,989.26 = 188,526.47 : x
  2. Step 2: Convert to fraction form
    330,975.26/495,989.26 = 188,526.47/x
  3. Step 3: Cross multiply
    330,975.26x = 495,989.26 × 188,526.47
  4. Step 4: Simplify right side
    330,975.26x = 93,507,104,345.71
  5. Step 5: Solve for x
    x = 93,507,104,345.71/330,975.26
  6. Step 6: Final answer
    x = 282,519.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.