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Finding the Fourth Proportional to 493,266.90, 739,900.35 and 473,913.30

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Solution

The fourth proportional to 493,266.90, 739,900.35 and 473,913.30 is: 710,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,266.90 : 739,900.35 = 473,913.30 : x
  2. Step 2: Convert to fraction form
    493,266.90/739,900.35 = 473,913.30/x
  3. Step 3: Cross multiply
    493,266.90x = 739,900.35 × 473,913.30
  4. Step 4: Simplify right side
    493,266.90x = 350,648,616,539.66
  5. Step 5: Solve for x
    x = 350,648,616,539.66/493,266.90
  6. Step 6: Final answer
    x = 710,869.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.