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Finding the Fourth Proportional to 376,719.62, 565,017.32 and 124,003.40

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Solution

The fourth proportional to 376,719.62, 565,017.32 and 124,003.40 is: 185,984.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,719.62 : 565,017.32 = 124,003.40 : x
  2. Step 2: Convert to fraction form
    376,719.62/565,017.32 = 124,003.40/x
  3. Step 3: Cross multiply
    376,719.62x = 565,017.32 × 124,003.40
  4. Step 4: Simplify right side
    376,719.62x = 70,064,068,738.89
  5. Step 5: Solve for x
    x = 70,064,068,738.89/376,719.62
  6. Step 6: Final answer
    x = 185,984.66

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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.