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Finding the Fourth Proportional to 432,963.81, 597,464.33 and 239,359.93

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Solution

The fourth proportional to 432,963.81, 597,464.33 and 239,359.93 is: 330,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,963.81 : 597,464.33 = 239,359.93 : x
  2. Step 2: Convert to fraction form
    432,963.81/597,464.33 = 239,359.93/x
  3. Step 3: Cross multiply
    432,963.81x = 597,464.33 × 239,359.93
  4. Step 4: Simplify right side
    432,963.81x = 143,009,017,515.84
  5. Step 5: Solve for x
    x = 143,009,017,515.84/432,963.81
  6. Step 6: Final answer
    x = 330,302.47

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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.