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Finding the Fourth Proportional to 530,798.52, 795,636.90 and 361,900.16

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Solution

The fourth proportional to 530,798.52, 795,636.90 and 361,900.16 is: 542,467.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,798.52 : 795,636.90 = 361,900.16 : x
  2. Step 2: Convert to fraction form
    530,798.52/795,636.90 = 361,900.16/x
  3. Step 3: Cross multiply
    530,798.52x = 795,636.90 × 361,900.16
  4. Step 4: Simplify right side
    530,798.52x = 287,941,117,433.72
  5. Step 5: Solve for x
    x = 287,941,117,433.72/530,798.52
  6. Step 6: Final answer
    x = 542,467.82

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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.