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Finding the Fourth Proportional to 474,392.30, 654,661.04 and 259,532.51

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Solution

The fourth proportional to 474,392.30, 654,661.04 and 259,532.51 is: 358,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,392.30 : 654,661.04 = 259,532.51 : x
  2. Step 2: Convert to fraction form
    474,392.30/654,661.04 = 259,532.51/x
  3. Step 3: Cross multiply
    474,392.30x = 654,661.04 × 259,532.51
  4. Step 4: Simplify right side
    474,392.30x = 169,905,818,339.44
  5. Step 5: Solve for x
    x = 169,905,818,339.44/474,392.30
  6. Step 6: Final answer
    x = 358,154.68

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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.