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Finding the Fourth Proportional to 627,527.35, 865,994.46 and 341,047.45

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Solution

The fourth proportional to 627,527.35, 865,994.46 and 341,047.45 is: 470,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,527.35 : 865,994.46 = 341,047.45 : x
  2. Step 2: Convert to fraction form
    627,527.35/865,994.46 = 341,047.45/x
  3. Step 3: Cross multiply
    627,527.35x = 865,994.46 × 341,047.45
  4. Step 4: Simplify right side
    627,527.35x = 295,345,200,591.89
  5. Step 5: Solve for x
    x = 295,345,200,591.89/627,527.35
  6. Step 6: Final answer
    x = 470,649.13

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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.