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Finding the Fourth Proportional to 375,919.62, 563,962.47 and 186,483.03

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Solution

The fourth proportional to 375,919.62, 563,962.47 and 186,483.03 is: 279,765.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,919.62 : 563,962.47 = 186,483.03 : x
  2. Step 2: Convert to fraction form
    375,919.62/563,962.47 = 186,483.03/x
  3. Step 3: Cross multiply
    375,919.62x = 563,962.47 × 186,483.03
  4. Step 4: Simplify right side
    375,919.62x = 105,169,427,397.71
  5. Step 5: Solve for x
    x = 105,169,427,397.71/375,919.62
  6. Step 6: Final answer
    x = 279,765.73

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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.