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Finding the Fourth Proportional to 361,070.50, 498,237.04 and 199,885.18

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Solution

The fourth proportional to 361,070.50, 498,237.04 and 199,885.18 is: 275,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,070.50 : 498,237.04 = 199,885.18 : x
  2. Step 2: Convert to fraction form
    361,070.50/498,237.04 = 199,885.18/x
  3. Step 3: Cross multiply
    361,070.50x = 498,237.04 × 199,885.18
  4. Step 4: Simplify right side
    361,070.50x = 99,590,200,423.07
  5. Step 5: Solve for x
    x = 99,590,200,423.07/361,070.50
  6. Step 6: Final answer
    x = 275,819.27

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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.