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Finding the Fourth Proportional to 374,861.70, 562,292.55 and 108,630.90

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Solution

The fourth proportional to 374,861.70, 562,292.55 and 108,630.90 is: 162,946.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,861.70 : 562,292.55 = 108,630.90 : x
  2. Step 2: Convert to fraction form
    374,861.70/562,292.55 = 108,630.90/x
  3. Step 3: Cross multiply
    374,861.70x = 562,292.55 × 108,630.90
  4. Step 4: Simplify right side
    374,861.70x = 61,082,345,769.80
  5. Step 5: Solve for x
    x = 61,082,345,769.80/374,861.70
  6. Step 6: Final answer
    x = 162,946.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.