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Finding the Fourth Proportional to 359,072.94, 495,520.53 and 197,930.67

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Solution

The fourth proportional to 359,072.94, 495,520.53 and 197,930.67 is: 273,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,072.94 : 495,520.53 = 197,930.67 : x
  2. Step 2: Convert to fraction form
    359,072.94/495,520.53 = 197,930.67/x
  3. Step 3: Cross multiply
    359,072.94x = 495,520.53 × 197,930.67
  4. Step 4: Simplify right side
    359,072.94x = 98,078,710,501.66
  5. Step 5: Solve for x
    x = 98,078,710,501.66/359,072.94
  6. Step 6: Final answer
    x = 273,144.25

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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.