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Finding the Fourth Proportional to 496,271.09, 744,005.64 and 192,508.40

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Solution

The fourth proportional to 496,271.09, 744,005.64 and 192,508.40 is: 288,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,271.09 : 744,005.64 = 192,508.40 : x
  2. Step 2: Convert to fraction form
    496,271.09/744,005.64 = 192,508.40/x
  3. Step 3: Cross multiply
    496,271.09x = 744,005.64 × 192,508.40
  4. Step 4: Simplify right side
    496,271.09x = 143,227,331,627.35
  5. Step 5: Solve for x
    x = 143,227,331,627.35/496,271.09
  6. Step 6: Final answer
    x = 288,607.05

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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.