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Finding the Fourth Proportional to 425,467.93, 587,166.58 and 239,258.01

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Solution

The fourth proportional to 425,467.93, 587,166.58 and 239,258.01 is: 330,187.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,467.93 : 587,166.58 = 239,258.01 : x
  2. Step 2: Convert to fraction form
    425,467.93/587,166.58 = 239,258.01/x
  3. Step 3: Cross multiply
    425,467.93x = 587,166.58 × 239,258.01
  4. Step 4: Simplify right side
    425,467.93x = 140,484,307,605.12
  5. Step 5: Solve for x
    x = 140,484,307,605.12/425,467.93
  6. Step 6: Final answer
    x = 330,187.77

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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.