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Finding the Fourth Proportional to 627,539.81, 940,935.40 and 248,514.89

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Solution

The fourth proportional to 627,539.81, 940,935.40 and 248,514.89 is: 372,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,539.81 : 940,935.40 = 248,514.89 : x
  2. Step 2: Convert to fraction form
    627,539.81/940,935.40 = 248,514.89/x
  3. Step 3: Cross multiply
    627,539.81x = 940,935.40 × 248,514.89
  4. Step 4: Simplify right side
    627,539.81x = 233,836,459,159.16
  5. Step 5: Solve for x
    x = 233,836,459,159.16/627,539.81
  6. Step 6: Final answer
    x = 372,624.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.