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Finding the Fourth Proportional to 616,483.23, 847,479.90 and 530,125.89

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Solution

The fourth proportional to 616,483.23, 847,479.90 and 530,125.89 is: 728,764.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,483.23 : 847,479.90 = 530,125.89 : x
  2. Step 2: Convert to fraction form
    616,483.23/847,479.90 = 530,125.89/x
  3. Step 3: Cross multiply
    616,483.23x = 847,479.90 × 530,125.89
  4. Step 4: Simplify right side
    616,483.23x = 449,271,036,244.61
  5. Step 5: Solve for x
    x = 449,271,036,244.61/616,483.23
  6. Step 6: Final answer
    x = 728,764.41

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.