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Finding the Fourth Proportional to 488,325.98, 732,699.47 and 263,641.80

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Solution

The fourth proportional to 488,325.98, 732,699.47 and 263,641.80 is: 395,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,325.98 : 732,699.47 = 263,641.80 : x
  2. Step 2: Convert to fraction form
    488,325.98/732,699.47 = 263,641.80/x
  3. Step 3: Cross multiply
    488,325.98x = 732,699.47 × 263,641.80
  4. Step 4: Simplify right side
    488,325.98x = 193,170,210,536.57
  5. Step 5: Solve for x
    x = 193,170,210,536.57/488,325.98
  6. Step 6: Final answer
    x = 395,576.35

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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.