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Finding the Fourth Proportional to 359,184.46, 495,668.01 and 198,054.40

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Solution

The fourth proportional to 359,184.46, 495,668.01 and 198,054.40 is: 273,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,184.46 : 495,668.01 = 198,054.40 : x
  2. Step 2: Convert to fraction form
    359,184.46/495,668.01 = 198,054.40/x
  3. Step 3: Cross multiply
    359,184.46x = 495,668.01 × 198,054.40
  4. Step 4: Simplify right side
    359,184.46x = 98,169,230,319.74
  5. Step 5: Solve for x
    x = 98,169,230,319.74/359,184.46
  6. Step 6: Final answer
    x = 273,311.46

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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.