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Finding the Fourth Proportional to 375,513.32, 563,137.36 and 162,272.62

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Solution

The fourth proportional to 375,513.32, 563,137.36 and 162,272.62 is: 243,351.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,513.32 : 563,137.36 = 162,272.62 : x
  2. Step 2: Convert to fraction form
    375,513.32/563,137.36 = 162,272.62/x
  3. Step 3: Cross multiply
    375,513.32x = 563,137.36 × 162,272.62
  4. Step 4: Simplify right side
    375,513.32x = 91,381,772,870.46
  5. Step 5: Solve for x
    x = 91,381,772,870.46/375,513.32
  6. Step 6: Final answer
    x = 243,351.62

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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.