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Finding the Fourth Proportional to 359,129.50, 495,585.94 and 195,782.63

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Solution

The fourth proportional to 359,129.50, 495,585.94 and 195,782.63 is: 270,173.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,129.50 : 495,585.94 = 195,782.63 : x
  2. Step 2: Convert to fraction form
    359,129.50/495,585.94 = 195,782.63/x
  3. Step 3: Cross multiply
    359,129.50x = 495,585.94 × 195,782.63
  4. Step 4: Simplify right side
    359,129.50x = 97,027,118,724.22
  5. Step 5: Solve for x
    x = 97,027,118,724.22/359,129.50
  6. Step 6: Final answer
    x = 270,173.07

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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.