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Finding the Fourth Proportional to 359,021.69, 495,452.94 and 197,877.15

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Solution

The fourth proportional to 359,021.69, 495,452.94 and 197,877.15 is: 273,072.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,021.69 : 495,452.94 = 197,877.15 : x
  2. Step 2: Convert to fraction form
    359,021.69/495,452.94 = 197,877.15/x
  3. Step 3: Cross multiply
    359,021.69x = 495,452.94 × 197,877.15
  4. Step 4: Simplify right side
    359,021.69x = 98,038,815,726.32
  5. Step 5: Solve for x
    x = 98,038,815,726.32/359,021.69
  6. Step 6: Final answer
    x = 273,072.12

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1.5x scale

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.