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Finding the Fourth Proportional to 530,989.26, 732,048.72 and 514,478.22

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Solution

The fourth proportional to 530,989.26, 732,048.72 and 514,478.22 is: 709,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,989.26 : 732,048.72 = 514,478.22 : x
  2. Step 2: Convert to fraction form
    530,989.26/732,048.72 = 514,478.22/x
  3. Step 3: Cross multiply
    530,989.26x = 732,048.72 × 514,478.22
  4. Step 4: Simplify right side
    530,989.26x = 376,623,122,418.88
  5. Step 5: Solve for x
    x = 376,623,122,418.88/530,989.26
  6. Step 6: Final answer
    x = 709,285.76

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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.