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Finding the Fourth Proportional to 474,653.64, 654,996.79 and 259,752.19

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Solution

The fourth proportional to 474,653.64, 654,996.79 and 259,752.19 is: 358,444.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,653.64 : 654,996.79 = 259,752.19 : x
  2. Step 2: Convert to fraction form
    474,653.64/654,996.79 = 259,752.19/x
  3. Step 3: Cross multiply
    474,653.64x = 654,996.79 × 259,752.19
  4. Step 4: Simplify right side
    474,653.64x = 170,136,850,645.47
  5. Step 5: Solve for x
    x = 170,136,850,645.47/474,653.64
  6. Step 6: Final answer
    x = 358,444.21

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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.