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Finding the Fourth Proportional to 359,137.80, 495,613.62 and 197,999.10

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Solution

The fourth proportional to 359,137.80, 495,613.62 and 197,999.10 is: 273,240.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,137.80 : 495,613.62 = 197,999.10 : x
  2. Step 2: Convert to fraction form
    359,137.80/495,613.62 = 197,999.10/x
  3. Step 3: Cross multiply
    359,137.80x = 495,613.62 × 197,999.10
  4. Step 4: Simplify right side
    359,137.80x = 98,131,050,707.74
  5. Step 5: Solve for x
    x = 98,131,050,707.74/359,137.80
  6. Step 6: Final answer
    x = 273,240.66

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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.