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Finding the Fourth Proportional to 704,893.20, 973,258.14 and 433,325.21

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Solution

The fourth proportional to 704,893.20, 973,258.14 and 433,325.21 is: 598,299.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,893.20 : 973,258.14 = 433,325.21 : x
  2. Step 2: Convert to fraction form
    704,893.20/973,258.14 = 433,325.21/x
  3. Step 3: Cross multiply
    704,893.20x = 973,258.14 × 433,325.21
  4. Step 4: Simplify right side
    704,893.20x = 421,737,280,866.79
  5. Step 5: Solve for x
    x = 421,737,280,866.79/704,893.20
  6. Step 6: Final answer
    x = 598,299.55

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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.