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Finding the Fourth Proportional to 627,527.76, 865,994.04 and 341,048.58

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Solution

The fourth proportional to 627,527.76, 865,994.04 and 341,048.58 is: 470,650.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,527.76 : 865,994.04 = 341,048.58 : x
  2. Step 2: Convert to fraction form
    627,527.76/865,994.04 = 341,048.58/x
  3. Step 3: Cross multiply
    627,527.76x = 865,994.04 × 341,048.58
  4. Step 4: Simplify right side
    627,527.76x = 295,346,037,630.46
  5. Step 5: Solve for x
    x = 295,346,037,630.46/627,527.76
  6. Step 6: Final answer
    x = 470,650.16

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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.