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Finding the Fourth Proportional to 474,443.66, 654,726.42 and 259,580.64

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Solution

The fourth proportional to 474,443.66, 654,726.42 and 259,580.64 is: 358,218.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,443.66 : 654,726.42 = 259,580.64 : x
  2. Step 2: Convert to fraction form
    474,443.66/654,726.42 = 259,580.64/x
  3. Step 3: Cross multiply
    474,443.66x = 654,726.42 × 259,580.64
  4. Step 4: Simplify right side
    474,443.66x = 169,954,303,128.51
  5. Step 5: Solve for x
    x = 169,954,303,128.51/474,443.66
  6. Step 6: Final answer
    x = 358,218.09

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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.