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Finding the Fourth Proportional to 671,662.50, 926,894.25 and 369,856.50

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Solution

The fourth proportional to 671,662.50, 926,894.25 and 369,856.50 is: 510,401.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,662.50 : 926,894.25 = 369,856.50 : x
  2. Step 2: Convert to fraction form
    671,662.50/926,894.25 = 369,856.50/x
  3. Step 3: Cross multiply
    671,662.50x = 926,894.25 × 369,856.50
  4. Step 4: Simplify right side
    671,662.50x = 342,817,863,175.13
  5. Step 5: Solve for x
    x = 342,817,863,175.13/671,662.50
  6. Step 6: Final answer
    x = 510,401.97

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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.