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Finding the Fourth Proportional to 423,703.35, 584,568.30 and 239,916.89

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Solution

The fourth proportional to 423,703.35, 584,568.30 and 239,916.89 is: 331,004.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,703.35 : 584,568.30 = 239,916.89 : x
  2. Step 2: Convert to fraction form
    423,703.35/584,568.30 = 239,916.89/x
  3. Step 3: Cross multiply
    423,703.35x = 584,568.30 × 239,916.89
  4. Step 4: Simplify right side
    423,703.35x = 140,247,808,528.59
  5. Step 5: Solve for x
    x = 140,247,808,528.59/423,703.35
  6. Step 6: Final answer
    x = 331,004.72

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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.