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Finding the Fourth Proportional to 507,487.25, 700,332.41 and 303,546.77

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Solution

The fourth proportional to 507,487.25, 700,332.41 and 303,546.77 is: 418,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,487.25 : 700,332.41 = 303,546.77 : x
  2. Step 2: Convert to fraction form
    507,487.25/700,332.41 = 303,546.77/x
  3. Step 3: Cross multiply
    507,487.25x = 700,332.41 × 303,546.77
  4. Step 4: Simplify right side
    507,487.25x = 212,583,640,981.82
  5. Step 5: Solve for x
    x = 212,583,640,981.82/507,487.25
  6. Step 6: Final answer
    x = 418,894.55

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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.