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Finding the Fourth Proportional to 488,369.07, 732,577.91 and 151,639.11

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Solution

The fourth proportional to 488,369.07, 732,577.91 and 151,639.11 is: 227,466.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,369.07 : 732,577.91 = 151,639.11 : x
  2. Step 2: Convert to fraction form
    488,369.07/732,577.91 = 151,639.11/x
  3. Step 3: Cross multiply
    488,369.07x = 732,577.91 × 151,639.11
  4. Step 4: Simplify right side
    488,369.07x = 111,087,461,519.87
  5. Step 5: Solve for x
    x = 111,087,461,519.87/488,369.07
  6. Step 6: Final answer
    x = 227,466.21

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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.