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Finding the Fourth Proportional to 359,067.96, 495,513.81 and 197,926.52

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Solution

The fourth proportional to 359,067.96, 495,513.81 and 197,926.52 is: 273,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,067.96 : 495,513.81 = 197,926.52 : x
  2. Step 2: Convert to fraction form
    359,067.96/495,513.81 = 197,926.52/x
  3. Step 3: Cross multiply
    359,067.96x = 495,513.81 × 197,926.52
  4. Step 4: Simplify right side
    359,067.96x = 98,075,321,547.67
  5. Step 5: Solve for x
    x = 98,075,321,547.67/359,067.96
  6. Step 6: Final answer
    x = 273,138.60

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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.