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Finding the Fourth Proportional to 488,155.11, 732,343.07 and 263,510.72

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Solution

The fourth proportional to 488,155.11, 732,343.07 and 263,510.72 is: 395,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,155.11 : 732,343.07 = 263,510.72 : x
  2. Step 2: Convert to fraction form
    488,155.11/732,343.07 = 263,510.72/x
  3. Step 3: Cross multiply
    488,155.11x = 732,343.07 × 263,510.72
  4. Step 4: Simplify right side
    488,155.11x = 192,980,249,406.06
  5. Step 5: Solve for x
    x = 192,980,249,406.06/488,155.11
  6. Step 6: Final answer
    x = 395,325.68

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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.