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Finding the Fourth Proportional to 627,032.16, 864,714.96 and 483,564.96

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Solution

The fourth proportional to 627,032.16, 864,714.96 and 483,564.96 is: 666,865.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,032.16 : 864,714.96 = 483,564.96 : x
  2. Step 2: Convert to fraction form
    627,032.16/864,714.96 = 483,564.96/x
  3. Step 3: Cross multiply
    627,032.16x = 864,714.96 × 483,564.96
  4. Step 4: Simplify right side
    627,032.16x = 418,145,855,043.80
  5. Step 5: Solve for x
    x = 418,145,855,043.80/627,032.16
  6. Step 6: Final answer
    x = 666,865.09

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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.