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Finding the Fourth Proportional to 374,976.64, 562,549.12 and 125,652.16

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Solution

The fourth proportional to 374,976.64, 562,549.12 and 125,652.16 is: 188,506.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,976.64 : 562,549.12 = 125,652.16 : x
  2. Step 2: Convert to fraction form
    374,976.64/562,549.12 = 125,652.16/x
  3. Step 3: Cross multiply
    374,976.64x = 562,549.12 × 125,652.16
  4. Step 4: Simplify right side
    374,976.64x = 70,685,512,034.10
  5. Step 5: Solve for x
    x = 70,685,512,034.10/374,976.64
  6. Step 6: Final answer
    x = 188,506.44

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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.