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Finding the Fourth Proportional to 376,019.64, 518,613.84 and 232,859.16

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Solution

The fourth proportional to 376,019.64, 518,613.84 and 232,859.16 is: 321,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,019.64 : 518,613.84 = 232,859.16 : x
  2. Step 2: Convert to fraction form
    376,019.64/518,613.84 = 232,859.16/x
  3. Step 3: Cross multiply
    376,019.64x = 518,613.84 × 232,859.16
  4. Step 4: Simplify right side
    376,019.64x = 120,763,983,146.77
  5. Step 5: Solve for x
    x = 120,763,983,146.77/376,019.64
  6. Step 6: Final answer
    x = 321,164.03

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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.