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Finding the Fourth Proportional to 530,790.54, 732,511.67 and 301,369.17

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Solution

The fourth proportional to 530,790.54, 732,511.67 and 301,369.17 is: 415,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,790.54 : 732,511.67 = 301,369.17 : x
  2. Step 2: Convert to fraction form
    530,790.54/732,511.67 = 301,369.17/x
  3. Step 3: Cross multiply
    530,790.54x = 732,511.67 × 301,369.17
  4. Step 4: Simplify right side
    530,790.54x = 220,756,432,009.72
  5. Step 5: Solve for x
    x = 220,756,432,009.72/530,790.54
  6. Step 6: Final answer
    x = 415,901.22

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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.