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Finding the Fourth Proportional to 652,612.77, 900,771.15 and 445,964.82

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Solution

The fourth proportional to 652,612.77, 900,771.15 and 445,964.82 is: 615,544.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,612.77 : 900,771.15 = 445,964.82 : x
  2. Step 2: Convert to fraction form
    652,612.77/900,771.15 = 445,964.82/x
  3. Step 3: Cross multiply
    652,612.77x = 900,771.15 × 445,964.82
  4. Step 4: Simplify right side
    652,612.77x = 401,712,243,770.94
  5. Step 5: Solve for x
    x = 401,712,243,770.94/652,612.77
  6. Step 6: Final answer
    x = 615,544.57

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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.