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Finding the Fourth Proportional to 662,883.60, 914,785.63 and 376,409.70

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Solution

The fourth proportional to 662,883.60, 914,785.63 and 376,409.70 is: 519,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,883.60 : 914,785.63 = 376,409.70 : x
  2. Step 2: Convert to fraction form
    662,883.60/914,785.63 = 376,409.70/x
  3. Step 3: Cross multiply
    662,883.60x = 914,785.63 × 376,409.70
  4. Step 4: Simplify right side
    662,883.60x = 344,334,184,552.61
  5. Step 5: Solve for x
    x = 344,334,184,552.61/662,883.60
  6. Step 6: Final answer
    x = 519,448.94

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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.